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Will Stahl-Timmins
                   22nd Mar 2011


         Associate Research Fellow:
Visual Presentation of Environment and Human
          Health Data and Information




     European Centre for Environment and Human Health
PhD research intro

 A journey (MA)

 A journey (PhD)

  Current work

  Opportunities
PhD research intro

    A journey (MA)

   A journey (PhD)

     Current work

     Opportunities
what is a PhD?
                 PhD research intro

                     A journey (MA)

                    A journey (PhD)

                      Current work

                      Opportunities
what is a PhD?
                                  PhD research intro

      research training               A journey (MA)

                                     A journey (PhD)
large original research project
                                       Current work

                                       Opportunities
what is a PhD?
                                  PhD research intro

      research training               A journey (MA)

                                     A journey (PhD)
large original research project
                                       Current work

      3-4 years full time              Opportunities


     5+ years part time?
PhD research intro

    A journey (MA)

   A journey (PhD)

     Current work

     Opportunities
PhD research intro

                A journey (MA)

               A journey (PhD)

                 Current work

                 Opportunities




+ defence
PhD research intro

    A journey (MA)

   A journey (PhD)

     Current work

     Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

Also see:                                         A journey (MA)
Stahl, W. 2009. Branding and Presentation of
Smart Clothing Products to Consumers in           A journey (PhD)
Smart Clothes and Wearable Technology Eds.
McCann, J & Bryson, D. Woodhead:                    Current work
Cambridge, UK.
                                                   Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
HTA             PhD research intro

                       A journey (MA)

                      A journey (PhD)
Health Technology        Current work
  Assessment            Opportunities
countries with ‘universal’ health care:



                                PhD research intro

                                        A journey

                                  My PhD (so far)

                                    Opportunities
Health Policy


      Medical
  Practice               PhD research intro

                            A journey (MA)
                   EBM     A journey (PhD)

                              Current work
HTA
                             Opportunities




      Scientific
  Evidence
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
TAR review

• 50 reports reviewed    PhD research intro

• content analysis          A journey (MA)

                           A journey (PhD)
• graphics categorised
                              Current work

                             Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
OTHER
LINE                                                                                                                                                              353

                                          301                                                                                                                           PhD research intro
                                                                                                   AREA                                                                    A journey (MA)
                                                                                                   /POSITION

                                                   FLOW                                                                               187
                                                                                                                                                                          A journey (PhD)
                                                                                             124
                                                                                                                                                                             Current work

102 124 37 38                                      78 41                              5            88 55 44                                 331 22
                                                                                                                                                                            Opportunities
                                                                                                   BAR CHART

                                                                                                               SCATTER PLOT




                                                                                                                                            FOREST PLOT
                                                   STATE TRANSITION
                     THRESHOLD ANALYSIS




                                                                      DECISON TREE
TIME SERIES

              CEAC



                                           OTHER




                                                                                     OTHER




                                                                                                                              OTHER




                                                                                                                                                          OTHER
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
Assessed for eligibility
                                                (n = 253)




                                                                        Excluded (n = 44)
                                                                           Declined to participate
                                                Randomized                    (n = 44)
                                                 (n = 209)




                 Allocated to brachytherapy                      Allocated to stent placement
                          (n = 101)                                        (n = 108)
                                                                                                             PhD research intro
Did not receive allocated
                                                                              Did not receive allocated
  intervention (n = 6)
                                                                                intervention (n = 3)
     1 died before treatment
     3 had problems during
       endoscopy
                                                                                  2 died before treatment
                                                                                  1 was un t for treatment      A journey (MA)
     2 did not ful ll inclusion
         criteria


                                                                                                               A journey (PhD)
      Centers (n = 9) performing
                                                                             Centers (n = 9) performing

                                                                                                                  Current work
                the intervention
                                                                             the intervention
      Number of patients treated
                                                                             Number of patients treated
      by each center (median = 5
                                                                             by each center (median = 6
            [IQR: 1–10]; min = 0,
                                                                             [IQR: 1–9]; min = 1,
                       max = 60)
                                                                             max = 64)

                                                                                                                 Opportunities

       Lost to follow-up (n = 0)                                              Lost to follow-up (n = 0)
     Discontinued intervention                                                Discontinued intervention
        Received stent (n = 45)                                               Received brachytherapy
              Received second                                                 (n = 2)
          brachytherapy (n = 3)                                               Received second stent
                                                                              treatment (n = 24)




                           Analyzed (n = 101)
                                                             Analyzed (n = 108)
Assessed for eligibility
                                                            (n = 253)




                                                                                                   Excluded (n = 44)
                                                                Randomized                               Declined to participate
                                                                     (n = 209)                             (n = 44)


                                                                                                                                             PhD research intro
                Allocated to brachytherapy                                                  Allocated to stent placement
                               (n = 101)                                                                      (n = 108)

          Did not receive allocated
                                                                                                                                                A journey (MA)
             intervention (n = 6)                                                                     Did not receive allocated
                1 died before treatment                                                                  intervention (n = 3)
                3 had problems during                                                                      2 died before treatment
                  endoscopy
                2 did not fulfill inclusion                                                         70
                                                                                                           1 was unfit for treatment
                                                                                                                                               A journey (PhD)
                    criteria
                                              70                                                    60          Centers (n = 9) performing
                                              60                                                    50          the stent placement
    Centers (n = 9) performing the
                    brachytherapy.
                                              50

                                              40
                                                                                                    40

                                                                                                    30
                                                                                                                Number of patients treated
                                                                                                                by each center (median = 6        Current work
       Number of patients treated                                                                   20
                                                                                                                [IQR: 1–9]; min = 1,
                                              30
      by each center (median = 5                                                                                max = 64)
                                              20                                                    10
            [IQR: 1–10]; min = 0,
                                                                                                                                                 Opportunities
                                              10                                                     0
                        max = 60)
                                              0


                                                                                                         Discontinued intervention,
                                                                                                         receiving brachytherapy (n = 2)
Discontinued intervention, receiving
     second brachytherapy (n = 3)                                                                   Discontinued intervention, receiving
                                                                                                    second stent treatment (n = 24)
               Discontinued intervention,
                  receiving stent (n = 45)




                                                                                  Lost to follow-up (n = 0)

                                         Lost to follow-up (n = 0)               Analyzed (n = 108)
                                Analyzed (n = 101)
jul 08:   Info Vis 08 conference:
          Health Technology Assessment as an area of
          application for Information Graphics.

jan 09:   International Journal of
          Technology Assessment in                           PhD research intro
          Health Care:
          M. Pitt, W. Stahl-Timmins, R. Anderson, and           A journey (MA)
          K. Stein. Using information graphics in health
          technology assessment: Toward a structured           A journey (PhD)
          approach. Int.J.Technol.Assess.Health Care
          25 (04):555-563, 2009.                                  Current work

                                                                 Opportunities
jun 09:   Data Designed for Decisions
          (DD4D) conference:
          NICE graphics: Empirical evidence of the
          benefits of graphical display.

feb 10:   Information Design Journal:
          Graphical Presentation of Data for Health Policy
          Decisions: An Exploratory Online Decision Task
          Experiment to Measure Effectiveness
measurements test (experiment)

   online decision       gradually increasing
   task study            decision complexity
                         (subgroups)
   sample: general
                                                     PhD research intro
   internet-using        measurements:
   public - respondent   decision accuracy,             A journey (MA)
   -driven sample        time & preference
                                                       A journey (PhD)

                                                          Current work

                                                         Opportunities




numerical presentation                   graphical presentation
measurements test (experiment)

  online decision       gradually increasing
  task study            decision complexity
                        (subgroups)
  sample: general
                                               PhD research intro
  internet-using        measurements:
  public - respondent   decision accuracy,        A journey (MA)
  -driven sample        time & preference
                                                 A journey (PhD)
     http://
                                                    Current work
www.pms.ac.uk/
                                                   Opportunities
 infographics/
measurements test (experiment)

  online decision       gradually increasing
  task study            decision complexity
                        (subgroups)
  sample: general
                                               PhD research intro
  internet-using        measurements:
  public - respondent   decision accuracy,        A journey (MA)
  -driven sample        time & preference
                                                 A journey (PhD)
     http://
                                                    Current work
www.pms.ac.uk/
                                                   Opportunities
 infographics/
measurements test (experiment)

         online decision       gradually increasing
         task study            decision complexity
                               (subgroups)
         sample: general
                                                      PhD research intro
         internet-using        measurements:
         public - respondent   decision accuracy,        A journey (MA)
         -driven sample        time & preference
                                                        A journey (PhD)

                                                           Current work

seed 1                                                    Opportunities



seed 2
                                                      25+ participants...

seed 3
measurements test (experiment)

    online decision       gradually increasing
    task study            decision complexity
                          (subgroups)
   sample: general
                                                      PhD research intro
   internet-using         measurements:
   public - respondent    decision accuracy,              A journey (MA)
   -driven sample         time & preference
                                                         A journey (PhD)

                                                            Current work

                 increasing complexity                     Opportunities




single group             males and females       low, medium, high risk
                                                 males and females
measurements test (experiment)

  online decision       gradually increasing
  task study            decision complexity
                        (subgroups)
  sample: general
                                               PhD research intro
  internet-using        measurements:
  public - respondent   decision accuracy,        A journey (MA)
  -driven sample        time & preference
                                                 A journey (PhD)

                                                    Current work

                                                   Opportunities
measurements test
    (findings)
                    PhD research intro

                       A journey (MA)

                      A journey (PhD)

                         Current work

                        Opportunities
measurements test
    (findings)
Study Duration:                  PhD research intro
36 days (15th June - 21st July
2009)                               A journey (MA)

                                   A journey (PhD)

                                      Current work

                                     Opportunities
measurements test
    (findings)
Study Duration:                    PhD research intro
36 days (15th June - 21st July
2009)                                 A journey (MA)

244 entries were recorded during     A journey (PhD)
this time.
                                        Current work

                                       Opportunities
measurements test
    (findings)
Study Duration:                    PhD research intro
36 days (15th June - 21st July
2009)                                 A journey (MA)

244 entries were recorded during     A journey (PhD)
this time.
                                        Current work
48 excluded as possible                Opportunities
duplicates, leaving 196 for the
analysis
measurements test
    (findings)
Study Duration:                        PhD research intro
36 days (15th June - 21st July
2009)                                     A journey (MA)

244 entries were recorded during         A journey (PhD)
this time.
                                            Current work
48 excluded as possible                    Opportunities
duplicates, leaving 196 for the
analysis
99 participants received the
graphical presentation first.
97 received the numerical one first.
Randomised to receive:
                     Numerical first (N=97)          Graphical first (N=99)
      did not                                                                      did not
    complete                                                                       complete
task 1 (N=19)                                                                      task 1 (N=22)
                                         Task 1

did not complete                                                          did not complete
     task 2 (N=7)                        Task 2                           task 2 (N=7)



did not complete                                                          did not complete
     task 3 (N=3)                        Task 3                           task 3 (N=2)
                                                                                                   PhD research intro
did not complete                                                          did not complete
details collection                    Details                             details collection
             (N=6)
                                     collection
                                                                          (N=2)
                                                                                                      A journey (MA)
did not complete                                                          did not complete
     task 4 (N=7)
                                         Task 4                           task 4 (N=2)
                                                                                                     A journey (PhD)
                                                                          did not complete
                                         Task 5                           task 5 (N=2)                  Current work
did not complete
     task 6 (N=2)                        Task 6
                                                                          did not complete
                                                                          task 6 (N=2)                 Opportunities
     did not give
 preference (N=2)                   Preference                            did not give
                                                                          preference (N=5)
                                    collection




         38 people gave a               25 people liked       43 people gave a
         preference for the               the displays        preference for the
         numerical display                  equally           graphical display
Average Deaths (mean)
                             Numerical - Graphical group
                                                                         7787          7787          7787
                             Graphical - Numerical group



Max. Possible Deaths 7224             7224                 7224




                                                                                                                   95% confidence
                                                                         5920
                                                                                                                    mean (g-n group)

                                                                                                                    mean (n-g group)
                                                                                       5466
                                                                                                                   95% confidence

Min. Possible Deaths 5074                                                                            5114
                                      5015

                                                           4748



                            Y1               Y2                   Y3            Y4            Y5            Y6
                            N=78             N=71                 N=69          N=65          N=63          N=61
                            N=77             N=70                 N=67          N=54          N=54          N=52
PhD research intro

   A journey (MA)

  A journey (PhD)

     Current work

    Opportunities
NICE technical advisors
 telephone interviews - needs assessment



  • 5 interviews                           PhD research intro

  • ~30 minutes                               A journey (MA)

  • gist transcribed                         A journey (PhD)

  • framework analysis                          Current work

  • Looking for instances of:                  Opportunities

   -   complexity
   -   summary/overview needed
   -   comparison needed
   -   time limited
   -   selective focussing needed
technical leads       1.01   interview 1
                              technical advisors        1.02
                                                               interview 2
                           committee members            1.03

                                        lead team       1.04
                                                               interview 3
                                           scoping      1.05   interview 4
                           evidence submission          1.06
                                                               interview 5
                 pre-meeting briefing / overview        1.07

        slide presentation / committee meetings         1.08



     complexity / overwhelming volume of data           2.01

     condensing / summarising / one page only           2.02

                                      comparison        2.03

                                      limited time      2.04

            disaggregation / selective focussing        2.05

                                       magnitude        2.06



                       background of condition          3.01

                  clinical effectiveness (general)      3.02

                                           survival     3.03

                          quality of life / utilities   3.04

                              multiple outcomes         3.05

                              subgroup analysis         3.06

                                              costs     3.07

economic analysis / cost-effectiveness (general)        3.08

                        model / model structure         3.09

                              sensitivity analysis      3.10

          probabilistic sensitivity analysis (PSA)      3.11

cost-effectiveness acceptablility curves (CEACs)        3.12

     incremental cost-effectiveness ratio (ICER)        3.13

                           multiple comparisons         3.14

                          sequencial treatments         3.15

                             absent information         3.16

           changing assumptions at committee            3.17

            how informed are decision-makers?           3.18

                                    methodology         3.19

                        base case assumptions           3.20

                                       uncertainty      3.21

                                       belief/trust     3.22

                         current use of graphics        3.23

     multiple vs single technology assessments          3.24

  different backgrounds of committee members            3.25

                          face validity of results      3.26

                              scenario analyses         3.27

                             quality of evidence        3.28

                                 interim analysis       3.29

                       discrete event simulation        3.30

                         pair-wise comparisons          3.31

                           large volume of trials       3.32

              quality adjusted life years (QALYs)       3.33

                  mixed treatment comparisons           3.34

                  probability in decision-making        3.35

                                          licensing     3.36
NICE technical advisors
     telephone interviews - needs assessment
When asked if time was limited (in any
part of the appraisal process),
                                               PhD research intro
interviewees responded:
                                                  A journey (MA)
“Time is always limited”
                                                 A journey (PhD)
or                                                  Current work

“Yes, is the short answer!”                        Opportunities


All five interviewees stated that time was
always limited for decision-makers to
familiarise themselves with the necessary
information before an appraisal
committee.
NICE technical advisors
   telephone interviews - needs assessment



                                             PhD research intro

                                                A journey (MA)

The most commonly mentioned type of            A journey (PhD)
data that needed to be compared to
another was the ICER, the overall                 Current work
measure of the cost-effectiveness of an          Opportunities
intervention.
NICE technical advisors
   telephone interviews - needs assessment



Complexity was related to clinical              PhD research intro
effectiveness by three of the five
                                                   A journey (MA)
interviewees. The data presented in
systematic reviews of clinical                    A journey (PhD)
effectiveness was reported to be quite
problematic to present. This is likely to be         Current work
the case particularly where there are               Opportunities
different subgroups of people that are of
interest in the analysis, or where the trials
reviewed used a large number of different
outcome measures.
10 information graphics
            The Friday Information Graphic


                                         09
                        16th Oct 2009


             Link diagrams for showing                              PhD research intro
            connections between search
      strategies in multiple systematic reviews
                                                                       A journey (MA)

                                                                      A journey (PhD)

                                                                         Current work

                                                                        Opportunities


          Peninsula Technology   Information Graphics in
            Assessment Group     Health Technology Assessment

         www.pms.ac.uk/pentag    www.pms.ac.uk/infographics

               Noy Scott House   Will Stahl-Timmins
                 Barrack Road    wstahl-timmins@pms.ac.uk
               Exeter EX2 5DW    +44 (0) 1392 406 967           1
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
PhD research intro

        A journey

  My PhD (so far)

    Opportunities
COGS (Clinical effectiveness
Overview Graphical Summary

                         PhD research intro

                                 A journey

                           My PhD (so far)

                             Opportunities
EFFECTIVENESS AND COST-EFFECTIVENESS OF COCHLEAR IMPLANTS                             CLINICAL EFFECTIVENESS – CHILDREN
Table 15 Summary of study characteristics unilateral cochlear implants vs. acoustic hearing aids – children
Study ID
Mildner et al 2006
             125
                               Design
                               Cross-sectional
                                                            Intervention group
                                                            N = 29
                                                                                                  Control group
                                                                                                  N = 20                         PhD research intro
Croatia                                                     Age yrs: mean 11.6 (7-15)
Length of follow up: n/a                                    Degree of deafness: profound >98      Degree of deafness: profound
                                                            dBHL
N = 49                                                      Mean age (yrs: months) at
                                                            implant: 8.2 (2-12)
                                                                                                  > 98 dBHL
                                                                                                                                    A journey (MA)
                                                            Mean time (yrs) between
                                                            deafness and implantation:
                                                            Not reported

                                                                                                                                   A journey (PhD)
Tomblin et al126 1999          Non-randomised controlled    N = 29                                N = 29
U SA                           Prospective trial with       Age yrs mean (SD): 10 (2.9)           Age yrs mean (SD): 9 (3.65)
Length of follow up: 5 yrs
N = 58
                               cross-overs allowed          Degree of deafness: profound
                                                            Pr e-l i ngu all y deaf
                                                            Mean (SD) age (yrs) at implant:
                                                                                                  Degree of
                                                                                                  Pre-lingually deaf                  Current work
                                                            4.76 (1.57, 2-13)
                                                            Mean time (yrs) between



Osberger et al127 1999         Pre/Post prospective
                                                            deafness and implantation: NR
                                                            Participants
                                                            N = 58
                                                                                                                                     Opportunities
USA                            Repeated measures            Age mean yrs: 5.4
COGS test

Task-based cognitive interviewing
                                         PhD research intro
9 expert users (HTA systematic
                                            A journey (MA)
reviewers)
                                           A journey (PhD)
Randomised, sequencial comparison
                                              Current work
to report
                                             Opportunities
Quantitative results (time and
accuracy)

Qualitative results (actions and words
of participants - framework analysis)
Task 4: Can you tell me about selection
             bias in the Peters et al. (2007) trial please?



             COGS display                         report section

  1      4        5         8     9          2      3       6      7



        6.9%
                9.3%
                                12.0%             12.3%
                                          13.5%
                                                          16.4% 17.0%
                       17.9%

24.1%
Task 8: Of the unilateral cochlear implants
              vs non-technological support trials, which
              reported at least one significant outcome
              measure, and which measures were
              these?

              report section                      COGS display

  1       4         5          8     9      2      3       6      7



                                           5.4%                  5.1%
                                                  6.3%
                                                         7.9%

                 13.3%
15.0%                     15.1%
        18.2%




                                   32.4%
stated preference for COGS
key         stated preference for report
            did not state preference during task

using
report    display 1                 using
                                    COGS
               familiar-
               isation 1
                 task 1

                 task 2

                 task 3

                 task 4
                general
              reliability 1                                               PhD research intro
          display 2
               familiar-                                                     A journey (MA)
               isation 2
                 task 5

                 task 6                            Thematic category 7:     A journey (PhD)
                                                   Preference
                 task 7


                                                                               Current work
                 task 8
                general
              reliability 2


          display 3                                                           Opportunities
               familiar-
               isation 3
                 task 9

                task 10

                task 11

                task 12

                 probe



      general questions
         useful for
       this review?
         useful for
    other reviews?
     validate tasks

 interactive version
outcome measures used
                    no. of              design, size                     baseline                                study       cog func be glo
 author location   centres              & follow-up                       MMSE             sex        ages      quality




                                                                                                                             ADCS-ADL




                                                                                                                            ADCS-CGIC
                                                                                                                              ADAS-cog


                                                                                                                                  other



                                                                                                                                  other

                                                                                                                                  other
                                                                                                                                CIBIC
                                                                                                                                MMSE



                                                                                                                                 DAD
                                                                                                                                  PDS




                                                                                                                                  CDR

                                                                                                                                  QoL
                                                                                                                                   SIB




                                                                                                                                   NPI


                                                                                                                                  GDS
                                        0yr         1          2     0    10   20 30                 55 75 95

                                              Donepezil 1mg N = 42                     M         F
 Rogers &                                                                                                           Rand
                                              Donepezil 3mg N = 40                     M         F
                     ?       N = 161          Donepezil 5mg N = 39                     M         F
                                                                                                                    Char
                                                                                                                    Blind
                                                                                                                    Analy
                                                                                                                                                    1mg
                                                                                                                                                    3mg
    1996                                                                                         F
                                              Placebo N = 40                           M                                                            5mg

                                         Donepezil 5mg N = 154
                                                                                       M         F                                                  5mg
Rogers et al.                                                                                                       Rand
                                                                                       M         F                  Char                            10
                                         Donepezil 10mg N = 157                                                     Blind                           mg
 1998 (A)                    N = 473                                                                                Analy
                                                                                       M         F
                                         Placebo N = 162
                                         Donepezil 5mg N = 157
                                                                                       M         F                                                  5mg
Rogers et al.                                                                                                       Rand
                                                                                       M         F                  Char                            10
                                         Donepezil 10mg N = 158                                                                                     mg
                                                                                                                    Blind
  1998 (B)                   N = 468                                                                                Analy
                                                                                       M         F
                                         Placebo N = 153
                                         Donepezil 5mg N = 271
                                                                                       M         F                                                  5mg
 Burns et al.                                                                                                       Rand
                                                                                       M         F                  Char                            10mg
                                         Donepezil 10mg N = 273                                                     Blind
    1999                                                                                                            Analy
                             N = 818                                                   M         F
                                         Placebo N = 274

 Greenberg                               Donepezil 5mg (D)
                                                                                                                    Rand
   et al.                                      group 1 (p-D-p-p) N=30                  M         F                  Char
                                               group 2 (p-p-D-p) N=30                  M         F                  Blind
                               N = 60                                                                               Analy
    2000                                 Placebo (p)

                                         Donepezil 5mg N = 134
Homma et al.                                                                           M         F                  Rand
                                                                                                                    Char
                                                                                                                    Blind
    2000                     N = 268                                                   M         F                  Analy
                                         Placebo N = 129

                                         Donepezil 10mg N = 214
 Mohs et al.                                                                           M         F                  Rand
                                                                                                                    Char




                                                                                                                            ADCS-CGIC
                                                                                                                            ADCS-ADL
                                                                                                                    Blind




                                                                                                                            ADAS-cog
    2001                     N = 431                                                   M         F                  Analy




                                                                                                                            MMSE




                                                                                                                            CIBIC
                                         Placebo N = 217




                                                                                                                            DAD
                                                                                                                            other



                                                                                                                            other

                                                                                                                            other


                                                                                                                            CDR
                                                                                                                            GDS
                                                                                                                            PDS




                                                                                                                            QoL
                                                                                                                            NPI
                                                                                                                            SIB
                                        0yr         1          2     0    10   20 30                 55 75 95               cog   func be   glo
SOC (State Occupancy Chart)


                              PhD research intro

                                 A journey (MA)

                                A journey (PhD)

                                   Current work

                                  Opportunities
Temozolomide model QALYs SOC (state occupancy chart)                                                                                              Temozolomide model costs SOC (state occupancy chart)
            Length of bars show state occupancy. Colours show QALYs experienced by the simulated cohort.                                                                     Length of bars show state occupancy. Colours show costs incurred.

             placebo arm
           colours show QALYs experienced
                                                          comparative
                                                        incremental state occupancy and
                                                                                                        TMZ arm
                                                                                                 colours show QALYs experienced in                    £300k                                           £0                                               £300k        £600k-900k       £9m
           in one model state in placebo arm       incremental QALYs experienced in each state   one model state in temozolomide arm                  incurred in placebo arm                 a state with no cost                 incurred in temozolomide arm
       20                10                    0   4 (placebo)         0              4 (TMZ)    20             10                0                            placebo arm                                     incremental                                  temozolomide arm
                                                                                                                                                      state occupancy and absolute costs           state occupancy and incremental costs               state occupancy and absolute costs
       0         250      500      750     1000         stable        progressive   death        0      250      500     750     1000                 0       250      500       750   1000           stable         progressive       death          0       250      500     750     1000




week                                                                                                                                    week   week                                                                                                                                           week
13                                                                                                                                       13    13                                                                                                                                              13



week                                                                                                                                    week   week                                                                                                                                           week
26                                                                                                                                       26    26                                                                                                                                              26



week                                                                                                                                    week   week                                                                                                                                           week
39                                                                                                                                       39    39                                                                                                                                              39



week                                                                                                                                    week   week                                                                                                                                           week
52                                                                                                                                       52    52                                                                                                                                              52



week                                                                                                                                    week   week                                                                                                                                           week
65                                                                                                                                       65    65                                                                                                                                              65



week                                                                                                                                    week   week                                                                                                                                           week
78                                                                                                                                       78    78                                                                                                                                              78



week                                                                                                                                    week   week                                                                                                                                           week
91                                                                                                                                        91   91                                                                                                                                               91



week                                                                                                                                    week   week                                                                                                                                           week
104                                                                                                                                     104    104                                                                                                                                            104



week                                                                                                                                    week   week                                                                                                                                           week
117                                                                                                                                     117    117                                                                                                                                            117



week                                                                                                                                    week   week                                                                                                                                           week
130                                                                                                                                     130    130                                                                                                                                            130



week                                                                                                                                    week   week                                                                                                                                           week
143                                                                                                                                     143    143                                                                                                                                            143



week                                                                                                                                    week   week                                                                                                                                           week
156                                                                                                                                     156    156                                                                                                                                            156



week                                                                                                                                    week   week                                                                                                                                           week
169                                                                                                                                     169    169                                                                                                                                            169



week                                                                                                                                    week   week                                                                                                                                           week
182                                                                                                                                     182    182                                                                                                                                            182



week                                                                                                                                    week   week                                                                                                                                           week
195                                                                                                                                     195    195                                                                                                                                            195



week                                                                                                                                    week   week                                                                                                                                           week
208                                                                                                                                     208    208                                                                                                                                            208



week                                                                                                                                    week   week                                                                                                                                           week
221                                                                                                                                     221    221                                                                                                                                            221



week                                                                                                                                    week   week                                                                                                                                           week
234                                                                                                                                     234    234                                                                                                                                            234



week                                                                                                                                    week   week                                                                                                                                           week
247                                                                                                                                     247    247                                                                                                                                            247



week                                                                                                                                    week   week                                                                                                                                           week
260                                                                                                                                     260    260                                                                                                                                            260
State Occupancy & Absolute Quality of Life                                                       2           State Occupancy & Absolute Costs Per Person                                                         3
                                                 placebo arm                   treatment arm                                                                     placebo arm                   treatment arm
                                                                                                                                                            0%   25%   50%   75%   100%   0%    25%   50%   75%   100%
                      week 1 surgery        0%   25%   50%   75%   100%   0%    25%   50%   75%   100% week 1                         week 1 surgery                                                                     week 1
                                                                                                       week 2                                                                                                            week 2
            weeks 2-6 post-op recovery                                                                                      weeks 2-6 post-op recovery
                                                                                                       week 7                                                                                                            week 7
               weeks 7-12 radiotherapy                                                                                         weeks 7-12 radiotherapy
                                                                                                       week                                                                                                              week
    week 13+ stable/progressive/death                                                                  13           week 13+ stable/progressive/death                                                                    13
                                     week                                                              week                                          week                                                                week
                                      26                                                               26                                             26                                                                 26
   is information graphic shows                                                                                    is information graphic shows
the absolute quality of life         week                                                              week     the absolute costs incurred per      week                                                                week
experienced by the simulated          39                                                               39       person in the model, on a scale       39                                                                 39
patients in the model. e             week                                                              week     from black (£3000 per person)        week                                                                week
shades of grey provide a scale        52                                                               52       to white (£0 per person).             52                                                                 52
from black (a utility of 1 per
                                     week                                                              week                                          week                                                                week
person) to white (a utility of 0      65                                                               65          ese shades of grey are             65                                                                 65
per person).                                                                                                    presented in bars whose length
                                     week                                                              week     correspond to the number             week                                                                week
                                      78                                                               78       of people incurring that cost         78                                                                 78
   ese shades of grey are
presented in bars whose length                                                                                  in that state in the model, as in
                                     week                                                              week                                          week                                                                week
correspond to the number              91                                                               91       graphic 1 — State Occupancy.          91                                                                 91
of people in that state in the       week                                                              week                                          week                                                                week
model during that week, as in        104                                                               104         e small dark bars appearing       104                                                                 104
graphic 1 — State Occupancy.                                                                                    between the progressive and
                                     week                                                              week     death states represent the           week                                                                week
                                     117                                                               117      one-o costs assigned to death        117                                                                 117
   e slowly lightening e ect in
                                                                                                                in the model. e length of
the progressive state is caused      week                                                              week                                          week                                                                week
                                     130                                                               130      these bars is again proportional     130                                                                 130
by the gradual decomposition
                                                                                                                to the number of people dying
of utility values in this state in   week                                                              week     during that week of the model.       week                                                                week
the model. e simulated               143                                                               143                                           143                                                                 143
patients experience less quality                                                                                Similar dark boxes appear
                                     week                                                              week                                          week                                                                week
of life the longer they spend in     156                                                               156      between the stable and               156                                                                 156
this state. e values presented                                                                                  progressive states to indicate
here are the average (mean) of       week                                                              week     the higher costs assigned            week                                                                week
the utility scores experienced       169                                                               169                                           169                                                                 169
                                                                                                                to a patient’s rst week in the
by the cohort in that week of        week                                                              week     progressive state.                   week                                                                week
the model.                           182                                                               182                                           182                                                                 182
                                                                                                                Costs for surgery in week
                                     week                                                              week                                          week                                                                week
                                     195                                                               195      1 are o the scale at £5953 per       195                                                                 195
                                                                                                                person, but this cost is identical
        utility of 1                 week                                                              week                                          week                                                                week
         (per person)                208                                                               208      in both arms of the model.           208                                                                 208

                                     week                                                              week                                          week                                                                week
                                     221                                                               221                                           221                                                                 221
                                                                                                                        £3000 per person
        utility of 0.5               week                                                              week                                          week                                                                week
                                     234                                                               234                                           234                                                                 234
                                                                                                                        £1500 per person
                                     week                                                              week                                          week                                                                week
                                     247                                                               247                                           247                                                                 247
        utility of 0                 week                                                              week
                                                                                                                        £0 per person                week                                                                week
                                     260                                                               260                                           260                                                                 260
SOC test
Task-based cognitive
interviewing
                             PhD research intro
6 expert users (HTA             A journey (MA)
mathematical modellers)
                               A journey (PhD)

Single group study                Current work

                                 Opportunities
Quantitative results (time
and accuracy)

Qualitative results
(actions and words of
participants - framework
analysis)
Tasks for validation
  Task 4: Where do the costs tend to come
  from in each arm of the model?                                     PhD research intro

                                                                        A journey (MA)

participants must consider both                                        A journey (PhD)
length and colour of bars
                                  treatment arm                           Current work
                           0%      25%   50%   75%   100%
      surgery = £5.9m                                       week 1
                                                            week 2       Opportunities
                                                            week 7
 radiotherapy = £5.4m
                                                            week
                                                            13
                                                            week
           drug course                                      26
(weeks 17– 40) = £5.4m
                                                            week
                                                            39
Tasks for validation

                       value     value
                 (placebo arm)   (treatment arm)

      surgery         £5.9m      £5.9m
 radiotherapy
  (weeks 7–12)        £1.6m      £5.4m
  drug course         £0.2m      £5.1m
(weeks 17–40)
   progressive
       disease        £6.7m      £5.9m

        death         £3.1m      £3.1m


                                                   1    2     3      4      5      6


                                                              39s

                                                                    109s   100s
                                                                                  119s
                                              166s

                                                       240s
mentioned by          potential           times mentioned
     participants:        functions           (overall)
                5           complexity         1
                           condensing          0
        3 4     5          comparison          5
        3           6      limited time        2
                        selective focussing    0

                          modelling
1   2   3 4     5 6           states          45
1   2   3 4     5              ICER           16
1   2   3 4     5 6            costs          44
                                                                        PhD research intro
1   2   3 4     5 6        quality of life    55
            4       6     other methods        6


    2   3 4
                    6
                    6
                           discounting
                         model validation
                                               2
                                              10
                                                                           A journey (MA)
                        interpretation
1   2   3 4     5          uncertainty        23                          A journey (PhD)
1       3 4     5 6       transformation      11
                    6        overview          1
1                              sizing          1                              Current work
1   2                        learning          5
1               5          obviousness         4
        3 4               cognitive load       2                              Opportunities
    2           5 6         orientation        4
1   2   3 4         6          units          12
            4   5 6          memory            3

                            actions
1       3 4     5         focussing aids       6
    2   3                     angling          3
        3       5 6           peering          5
                    6     bookmarking          1



1       3           6
                            design
                            production         3
                                                                Qualitative
    2   3 4     5 6           media            8
1
1
    2
    2
            4
                5 6


                5
                               detail
                           alternatives
                           suggestions
                                              13
                                               4
                                               3
                                                                results
Question 3: Do you think this kind of display
would be useful or confusing for a decision-
maker at NICE?


The most common idea mentioned (by                  PhD research intro
participants 1, 4 and 6) was that the graphic
                                                       A journey (MA)
would give decision-makers an idea of what was
                                                      A journey (PhD)
‘driving’ the model, and why the costs per QALY
(or ICER) were high or not. Participant 3 thought        Current work

that giving the decision makers an idea of how          Opportunities
costs and QALYs were accrued over time was
something that they were not currently able to
see.
                                        Qualitative
                                        results
Conclusions
measurements test (findings)



                               PhD research intro

                                  A journey (MA)

                                 A journey (PhD)

                                    Current work

                                   Opportunities
Conclusions
 measurements test (findings)

Design of information graphics in HTA
  Start with user needs
  Iterative design                      PhD research intro

  Formal and informal testing              A journey (MA)

                                          A journey (PhD)

                                             Current work

                                            Opportunities
Conclusions
 measurements test (findings)

Design of information graphics in HTA
  Start with user needs
  Iterative design                                       PhD research intro

  Formal and informal testing                                A journey (MA)

                                                            A journey (PhD)
Production of information graphics in HTA
                                                               Current work
  Researchers produce with standard spreadsheet software
  Develop specialist software for new HTA information graphics Opportunities
  Production by design on individual basis
Conclusions
 measurements test (findings)

Design of information graphics in HTA
  Start with user needs
  Iterative design                                        PhD research intro

  Formal and informal testing                                 A journey (MA)

                                                            A journey (PhD)
Production of information graphics in HTA
                                                               Current work
  Researchers produce with standard spreadsheet software
  Develop specialist software for new HTA information graphics Opportunities
  Production by design on individual basis


Use of information graphics in HTA
  Assess complexity of data on health intervention being considered
  Search for creative solutions appropriate to communicate that data
COMPARATIVE
                                                                      pilot                       STUDY
                                                                      testing            redesign
                                                informal                                 may be
                                                                                         needed
                                                advice

                INFORMATION    initial design work         real data incorporation
                      NEEDS

                                          SPECIFICATION                      PROTOTYPE                           DEPLOY    MONITOR


                                                                                                    INDIVIDUAL
                                                                                                      STUDY

informal
conversations


                    needs
                    research
                    studies




                research                                                                     research                     research
                 outputs                                                                      outputs                      outputs
PhD research intro

   A journey (MA)

   A journey (PhD)

    Current work

    Opportunities
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                                                                                                                                                         Boyce, T. & Lewis, J. (Eds.) 2009. Climate Change




                                                             Opportunities
                                                                                  Current work
                                                                                                 A journey (PhD)
                                                                                                                   A journey (MA)
                                                                                                                                    PhD research intro
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
PhD research intro

   A journey (MA)

   A journey (PhD)

     Current work

    Opportunities
Studentships - Advertised
jobs.ac.uk
university sites
private arrangement
                            PhD research intro

                               A journey (MA)

                               A journey (PhD)

                                 Current work

                                Opportunities
Studentships - Advertised
jobs.ac.uk
university sites
private arrangement
                            PhD research intro

                               A journey (MA)
Funding Proposal
                               A journey (PhD)
www.ahrc.ac.uk
www.rcuk.ac.uk                   Current work
charities?                      Opportunities
Studentships - Advertised
jobs.ac.uk
university sites
private arrangement
                                PhD research intro

                                   A journey (MA)
Funding Proposal
                                   A journey (PhD)
www.ahrc.ac.uk
www.rcuk.ac.uk                       Current work
charities?                          Opportunities



Support from Employer
Part time, with teaching load
Studentships - Advertised
jobs.ac.uk
university sites
private arrangement
                                PhD research intro

                                   A journey (MA)
Funding Proposal
                                   A journey (PhD)
www.ahrc.ac.uk
www.rcuk.ac.uk                       Current work
charities?                          Opportunities



Support from Employer
Part time, with teaching load

Private Funding
PhD research intro

 A journey (MA)

 A journey (PhD)

  Current work

  Opportunities
Thank you
           Will Stahl-Timmins
    w.stahl-timmins@exeter.ac.uk




European Centre for Environment and Human Health

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WST UWE MA Graphic Arts group 22mar11

  • 1. Will Stahl-Timmins 22nd Mar 2011 Associate Research Fellow: Visual Presentation of Environment and Human Health Data and Information European Centre for Environment and Human Health
  • 2. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 3. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 4. what is a PhD? PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 5. what is a PhD? PhD research intro research training A journey (MA) A journey (PhD) large original research project Current work Opportunities
  • 6. what is a PhD? PhD research intro research training A journey (MA) A journey (PhD) large original research project Current work 3-4 years full time Opportunities 5+ years part time?
  • 7. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 8. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities + defence
  • 9. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 10. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 11.
  • 12. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 13. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 14. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 15. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 16. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 17. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 18. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 19. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 20. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 21. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 22. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 23. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 24. PhD research intro Also see: A journey (MA) Stahl, W. 2009. Branding and Presentation of Smart Clothing Products to Consumers in A journey (PhD) Smart Clothes and Wearable Technology Eds. McCann, J & Bryson, D. Woodhead: Current work Cambridge, UK. Opportunities
  • 25. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 26. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 27. HTA PhD research intro A journey (MA) A journey (PhD) Health Technology Current work Assessment Opportunities
  • 28. countries with ‘universal’ health care: PhD research intro A journey My PhD (so far) Opportunities
  • 29. Health Policy Medical Practice PhD research intro A journey (MA) EBM A journey (PhD) Current work HTA Opportunities Scientific Evidence
  • 30. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 31. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 32. PhD research intro A journey My PhD (so far) Opportunities
  • 33. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 34. PhD research intro A journey My PhD (so far) Opportunities
  • 35.
  • 36.
  • 37.
  • 38. PhD research intro A journey My PhD (so far) Opportunities
  • 39. PhD research intro A journey My PhD (so far) Opportunities
  • 40. TAR review • 50 reports reviewed PhD research intro • content analysis A journey (MA) A journey (PhD) • graphics categorised Current work Opportunities
  • 41. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 42. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 43. OTHER LINE 353 301 PhD research intro AREA A journey (MA) /POSITION FLOW 187 A journey (PhD) 124 Current work 102 124 37 38 78 41 5 88 55 44 331 22 Opportunities BAR CHART SCATTER PLOT FOREST PLOT STATE TRANSITION THRESHOLD ANALYSIS DECISON TREE TIME SERIES CEAC OTHER OTHER OTHER OTHER
  • 44. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 45. Assessed for eligibility (n = 253) Excluded (n = 44) Declined to participate Randomized (n = 44) (n = 209) Allocated to brachytherapy Allocated to stent placement (n = 101) (n = 108) PhD research intro Did not receive allocated Did not receive allocated intervention (n = 6) intervention (n = 3) 1 died before treatment 3 had problems during endoscopy 2 died before treatment 1 was un t for treatment A journey (MA) 2 did not ful ll inclusion criteria A journey (PhD) Centers (n = 9) performing Centers (n = 9) performing Current work the intervention the intervention Number of patients treated Number of patients treated by each center (median = 5 by each center (median = 6 [IQR: 1–10]; min = 0, [IQR: 1–9]; min = 1, max = 60) max = 64) Opportunities Lost to follow-up (n = 0) Lost to follow-up (n = 0) Discontinued intervention Discontinued intervention Received stent (n = 45) Received brachytherapy Received second (n = 2) brachytherapy (n = 3) Received second stent treatment (n = 24) Analyzed (n = 101) Analyzed (n = 108)
  • 46. Assessed for eligibility (n = 253) Excluded (n = 44) Randomized Declined to participate (n = 209) (n = 44) PhD research intro Allocated to brachytherapy Allocated to stent placement (n = 101) (n = 108) Did not receive allocated A journey (MA) intervention (n = 6) Did not receive allocated 1 died before treatment intervention (n = 3) 3 had problems during 2 died before treatment endoscopy 2 did not fulfill inclusion 70 1 was unfit for treatment A journey (PhD) criteria 70 60 Centers (n = 9) performing 60 50 the stent placement Centers (n = 9) performing the brachytherapy. 50 40 40 30 Number of patients treated by each center (median = 6 Current work Number of patients treated 20 [IQR: 1–9]; min = 1, 30 by each center (median = 5 max = 64) 20 10 [IQR: 1–10]; min = 0, Opportunities 10 0 max = 60) 0 Discontinued intervention, receiving brachytherapy (n = 2) Discontinued intervention, receiving second brachytherapy (n = 3) Discontinued intervention, receiving second stent treatment (n = 24) Discontinued intervention, receiving stent (n = 45) Lost to follow-up (n = 0) Lost to follow-up (n = 0) Analyzed (n = 108) Analyzed (n = 101)
  • 47. jul 08: Info Vis 08 conference: Health Technology Assessment as an area of application for Information Graphics. jan 09: International Journal of Technology Assessment in PhD research intro Health Care: M. Pitt, W. Stahl-Timmins, R. Anderson, and A journey (MA) K. Stein. Using information graphics in health technology assessment: Toward a structured A journey (PhD) approach. Int.J.Technol.Assess.Health Care 25 (04):555-563, 2009. Current work Opportunities jun 09: Data Designed for Decisions (DD4D) conference: NICE graphics: Empirical evidence of the benefits of graphical display. feb 10: Information Design Journal: Graphical Presentation of Data for Health Policy Decisions: An Exploratory Online Decision Task Experiment to Measure Effectiveness
  • 48. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) Current work Opportunities numerical presentation graphical presentation
  • 49. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) http:// Current work www.pms.ac.uk/ Opportunities infographics/
  • 50. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) http:// Current work www.pms.ac.uk/ Opportunities infographics/
  • 51. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) Current work seed 1 Opportunities seed 2 25+ participants... seed 3
  • 52. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) Current work increasing complexity Opportunities single group males and females low, medium, high risk males and females
  • 53. measurements test (experiment) online decision gradually increasing task study decision complexity (subgroups) sample: general PhD research intro internet-using measurements: public - respondent decision accuracy, A journey (MA) -driven sample time & preference A journey (PhD) Current work Opportunities
  • 54. measurements test (findings) PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 55. measurements test (findings) Study Duration: PhD research intro 36 days (15th June - 21st July 2009) A journey (MA) A journey (PhD) Current work Opportunities
  • 56. measurements test (findings) Study Duration: PhD research intro 36 days (15th June - 21st July 2009) A journey (MA) 244 entries were recorded during A journey (PhD) this time. Current work Opportunities
  • 57. measurements test (findings) Study Duration: PhD research intro 36 days (15th June - 21st July 2009) A journey (MA) 244 entries were recorded during A journey (PhD) this time. Current work 48 excluded as possible Opportunities duplicates, leaving 196 for the analysis
  • 58. measurements test (findings) Study Duration: PhD research intro 36 days (15th June - 21st July 2009) A journey (MA) 244 entries were recorded during A journey (PhD) this time. Current work 48 excluded as possible Opportunities duplicates, leaving 196 for the analysis 99 participants received the graphical presentation first. 97 received the numerical one first.
  • 59. Randomised to receive: Numerical first (N=97) Graphical first (N=99) did not did not complete complete task 1 (N=19) task 1 (N=22) Task 1 did not complete did not complete task 2 (N=7) Task 2 task 2 (N=7) did not complete did not complete task 3 (N=3) Task 3 task 3 (N=2) PhD research intro did not complete did not complete details collection Details details collection (N=6) collection (N=2) A journey (MA) did not complete did not complete task 4 (N=7) Task 4 task 4 (N=2) A journey (PhD) did not complete Task 5 task 5 (N=2) Current work did not complete task 6 (N=2) Task 6 did not complete task 6 (N=2) Opportunities did not give preference (N=2) Preference did not give preference (N=5) collection 38 people gave a 25 people liked 43 people gave a preference for the the displays preference for the numerical display equally graphical display
  • 60. Average Deaths (mean) Numerical - Graphical group 7787 7787 7787 Graphical - Numerical group Max. Possible Deaths 7224 7224 7224 95% confidence 5920 mean (g-n group) mean (n-g group) 5466 95% confidence Min. Possible Deaths 5074 5114 5015 4748 Y1 Y2 Y3 Y4 Y5 Y6 N=78 N=71 N=69 N=65 N=63 N=61 N=77 N=70 N=67 N=54 N=54 N=52
  • 61. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 62. NICE technical advisors telephone interviews - needs assessment • 5 interviews PhD research intro • ~30 minutes A journey (MA) • gist transcribed A journey (PhD) • framework analysis Current work • Looking for instances of: Opportunities - complexity - summary/overview needed - comparison needed - time limited - selective focussing needed
  • 63. technical leads 1.01 interview 1 technical advisors 1.02 interview 2 committee members 1.03 lead team 1.04 interview 3 scoping 1.05 interview 4 evidence submission 1.06 interview 5 pre-meeting briefing / overview 1.07 slide presentation / committee meetings 1.08 complexity / overwhelming volume of data 2.01 condensing / summarising / one page only 2.02 comparison 2.03 limited time 2.04 disaggregation / selective focussing 2.05 magnitude 2.06 background of condition 3.01 clinical effectiveness (general) 3.02 survival 3.03 quality of life / utilities 3.04 multiple outcomes 3.05 subgroup analysis 3.06 costs 3.07 economic analysis / cost-effectiveness (general) 3.08 model / model structure 3.09 sensitivity analysis 3.10 probabilistic sensitivity analysis (PSA) 3.11 cost-effectiveness acceptablility curves (CEACs) 3.12 incremental cost-effectiveness ratio (ICER) 3.13 multiple comparisons 3.14 sequencial treatments 3.15 absent information 3.16 changing assumptions at committee 3.17 how informed are decision-makers? 3.18 methodology 3.19 base case assumptions 3.20 uncertainty 3.21 belief/trust 3.22 current use of graphics 3.23 multiple vs single technology assessments 3.24 different backgrounds of committee members 3.25 face validity of results 3.26 scenario analyses 3.27 quality of evidence 3.28 interim analysis 3.29 discrete event simulation 3.30 pair-wise comparisons 3.31 large volume of trials 3.32 quality adjusted life years (QALYs) 3.33 mixed treatment comparisons 3.34 probability in decision-making 3.35 licensing 3.36
  • 64. NICE technical advisors telephone interviews - needs assessment When asked if time was limited (in any part of the appraisal process), PhD research intro interviewees responded: A journey (MA) “Time is always limited” A journey (PhD) or Current work “Yes, is the short answer!” Opportunities All five interviewees stated that time was always limited for decision-makers to familiarise themselves with the necessary information before an appraisal committee.
  • 65. NICE technical advisors telephone interviews - needs assessment PhD research intro A journey (MA) The most commonly mentioned type of A journey (PhD) data that needed to be compared to another was the ICER, the overall Current work measure of the cost-effectiveness of an Opportunities intervention.
  • 66. NICE technical advisors telephone interviews - needs assessment Complexity was related to clinical PhD research intro effectiveness by three of the five A journey (MA) interviewees. The data presented in systematic reviews of clinical A journey (PhD) effectiveness was reported to be quite problematic to present. This is likely to be Current work the case particularly where there are Opportunities different subgroups of people that are of interest in the analysis, or where the trials reviewed used a large number of different outcome measures.
  • 67. 10 information graphics The Friday Information Graphic 09 16th Oct 2009 Link diagrams for showing PhD research intro connections between search strategies in multiple systematic reviews A journey (MA) A journey (PhD) Current work Opportunities Peninsula Technology Information Graphics in Assessment Group Health Technology Assessment www.pms.ac.uk/pentag www.pms.ac.uk/infographics Noy Scott House Will Stahl-Timmins Barrack Road wstahl-timmins@pms.ac.uk Exeter EX2 5DW +44 (0) 1392 406 967 1
  • 68. PhD research intro A journey My PhD (so far) Opportunities
  • 69. PhD research intro A journey My PhD (so far) Opportunities
  • 70. COGS (Clinical effectiveness Overview Graphical Summary PhD research intro A journey My PhD (so far) Opportunities
  • 71. EFFECTIVENESS AND COST-EFFECTIVENESS OF COCHLEAR IMPLANTS CLINICAL EFFECTIVENESS – CHILDREN Table 15 Summary of study characteristics unilateral cochlear implants vs. acoustic hearing aids – children Study ID Mildner et al 2006 125 Design Cross-sectional Intervention group N = 29 Control group N = 20 PhD research intro Croatia Age yrs: mean 11.6 (7-15) Length of follow up: n/a Degree of deafness: profound >98 Degree of deafness: profound dBHL N = 49 Mean age (yrs: months) at implant: 8.2 (2-12) > 98 dBHL A journey (MA) Mean time (yrs) between deafness and implantation: Not reported A journey (PhD) Tomblin et al126 1999 Non-randomised controlled N = 29 N = 29 U SA Prospective trial with Age yrs mean (SD): 10 (2.9) Age yrs mean (SD): 9 (3.65) Length of follow up: 5 yrs N = 58 cross-overs allowed Degree of deafness: profound Pr e-l i ngu all y deaf Mean (SD) age (yrs) at implant: Degree of Pre-lingually deaf Current work 4.76 (1.57, 2-13) Mean time (yrs) between Osberger et al127 1999 Pre/Post prospective deafness and implantation: NR Participants N = 58 Opportunities USA Repeated measures Age mean yrs: 5.4
  • 72. COGS test Task-based cognitive interviewing PhD research intro 9 expert users (HTA systematic A journey (MA) reviewers) A journey (PhD) Randomised, sequencial comparison Current work to report Opportunities Quantitative results (time and accuracy) Qualitative results (actions and words of participants - framework analysis)
  • 73. Task 4: Can you tell me about selection bias in the Peters et al. (2007) trial please? COGS display report section 1 4 5 8 9 2 3 6 7 6.9% 9.3% 12.0% 12.3% 13.5% 16.4% 17.0% 17.9% 24.1%
  • 74. Task 8: Of the unilateral cochlear implants vs non-technological support trials, which reported at least one significant outcome measure, and which measures were these? report section COGS display 1 4 5 8 9 2 3 6 7 5.4% 5.1% 6.3% 7.9% 13.3% 15.0% 15.1% 18.2% 32.4%
  • 75. stated preference for COGS key stated preference for report did not state preference during task using report display 1 using COGS familiar- isation 1 task 1 task 2 task 3 task 4 general reliability 1 PhD research intro display 2 familiar- A journey (MA) isation 2 task 5 task 6 Thematic category 7: A journey (PhD) Preference task 7 Current work task 8 general reliability 2 display 3 Opportunities familiar- isation 3 task 9 task 10 task 11 task 12 probe general questions useful for this review? useful for other reviews? validate tasks interactive version
  • 76. outcome measures used no. of design, size baseline study cog func be glo author location centres & follow-up MMSE sex ages quality ADCS-ADL ADCS-CGIC ADAS-cog other other other CIBIC MMSE DAD PDS CDR QoL SIB NPI GDS 0yr 1 2 0 10 20 30 55 75 95 Donepezil 1mg N = 42 M F Rogers & Rand Donepezil 3mg N = 40 M F ? N = 161 Donepezil 5mg N = 39 M F Char Blind Analy 1mg 3mg 1996 F Placebo N = 40 M 5mg Donepezil 5mg N = 154 M F 5mg Rogers et al. Rand M F Char 10 Donepezil 10mg N = 157 Blind mg 1998 (A) N = 473 Analy M F Placebo N = 162 Donepezil 5mg N = 157 M F 5mg Rogers et al. Rand M F Char 10 Donepezil 10mg N = 158 mg Blind 1998 (B) N = 468 Analy M F Placebo N = 153 Donepezil 5mg N = 271 M F 5mg Burns et al. Rand M F Char 10mg Donepezil 10mg N = 273 Blind 1999 Analy N = 818 M F Placebo N = 274 Greenberg Donepezil 5mg (D) Rand et al. group 1 (p-D-p-p) N=30 M F Char group 2 (p-p-D-p) N=30 M F Blind N = 60 Analy 2000 Placebo (p) Donepezil 5mg N = 134 Homma et al. M F Rand Char Blind 2000 N = 268 M F Analy Placebo N = 129 Donepezil 10mg N = 214 Mohs et al. M F Rand Char ADCS-CGIC ADCS-ADL Blind ADAS-cog 2001 N = 431 M F Analy MMSE CIBIC Placebo N = 217 DAD other other other CDR GDS PDS QoL NPI SIB 0yr 1 2 0 10 20 30 55 75 95 cog func be glo
  • 77. SOC (State Occupancy Chart) PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 78. Temozolomide model QALYs SOC (state occupancy chart) Temozolomide model costs SOC (state occupancy chart) Length of bars show state occupancy. Colours show QALYs experienced by the simulated cohort. Length of bars show state occupancy. Colours show costs incurred. placebo arm colours show QALYs experienced comparative incremental state occupancy and TMZ arm colours show QALYs experienced in £300k £0 £300k £600k-900k £9m in one model state in placebo arm incremental QALYs experienced in each state one model state in temozolomide arm incurred in placebo arm a state with no cost incurred in temozolomide arm 20 10 0 4 (placebo) 0 4 (TMZ) 20 10 0 placebo arm incremental temozolomide arm state occupancy and absolute costs state occupancy and incremental costs state occupancy and absolute costs 0 250 500 750 1000 stable progressive death 0 250 500 750 1000 0 250 500 750 1000 stable progressive death 0 250 500 750 1000 week week week week 13 13 13 13 week week week week 26 26 26 26 week week week week 39 39 39 39 week week week week 52 52 52 52 week week week week 65 65 65 65 week week week week 78 78 78 78 week week week week 91 91 91 91 week week week week 104 104 104 104 week week week week 117 117 117 117 week week week week 130 130 130 130 week week week week 143 143 143 143 week week week week 156 156 156 156 week week week week 169 169 169 169 week week week week 182 182 182 182 week week week week 195 195 195 195 week week week week 208 208 208 208 week week week week 221 221 221 221 week week week week 234 234 234 234 week week week week 247 247 247 247 week week week week 260 260 260 260
  • 79. State Occupancy & Absolute Quality of Life 2 State Occupancy & Absolute Costs Per Person 3 placebo arm treatment arm placebo arm treatment arm 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% week 1 surgery 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% week 1 week 1 surgery week 1 week 2 week 2 weeks 2-6 post-op recovery weeks 2-6 post-op recovery week 7 week 7 weeks 7-12 radiotherapy weeks 7-12 radiotherapy week week week 13+ stable/progressive/death 13 week 13+ stable/progressive/death 13 week week week week 26 26 26 26 is information graphic shows is information graphic shows the absolute quality of life week week the absolute costs incurred per week week experienced by the simulated 39 39 person in the model, on a scale 39 39 patients in the model. e week week from black (£3000 per person) week week shades of grey provide a scale 52 52 to white (£0 per person). 52 52 from black (a utility of 1 per week week week week person) to white (a utility of 0 65 65 ese shades of grey are 65 65 per person). presented in bars whose length week week correspond to the number week week 78 78 of people incurring that cost 78 78 ese shades of grey are presented in bars whose length in that state in the model, as in week week week week correspond to the number 91 91 graphic 1 — State Occupancy. 91 91 of people in that state in the week week week week model during that week, as in 104 104 e small dark bars appearing 104 104 graphic 1 — State Occupancy. between the progressive and week week death states represent the week week 117 117 one-o costs assigned to death 117 117 e slowly lightening e ect in in the model. e length of the progressive state is caused week week week week 130 130 these bars is again proportional 130 130 by the gradual decomposition to the number of people dying of utility values in this state in week week during that week of the model. week week the model. e simulated 143 143 143 143 patients experience less quality Similar dark boxes appear week week week week of life the longer they spend in 156 156 between the stable and 156 156 this state. e values presented progressive states to indicate here are the average (mean) of week week the higher costs assigned week week the utility scores experienced 169 169 169 169 to a patient’s rst week in the by the cohort in that week of week week progressive state. week week the model. 182 182 182 182 Costs for surgery in week week week week week 195 195 1 are o the scale at £5953 per 195 195 person, but this cost is identical utility of 1 week week week week (per person) 208 208 in both arms of the model. 208 208 week week week week 221 221 221 221 £3000 per person utility of 0.5 week week week week 234 234 234 234 £1500 per person week week week week 247 247 247 247 utility of 0 week week £0 per person week week 260 260 260 260
  • 80. SOC test Task-based cognitive interviewing PhD research intro 6 expert users (HTA A journey (MA) mathematical modellers) A journey (PhD) Single group study Current work Opportunities Quantitative results (time and accuracy) Qualitative results (actions and words of participants - framework analysis)
  • 81. Tasks for validation Task 4: Where do the costs tend to come from in each arm of the model? PhD research intro A journey (MA) participants must consider both A journey (PhD) length and colour of bars treatment arm Current work 0% 25% 50% 75% 100% surgery = £5.9m week 1 week 2 Opportunities week 7 radiotherapy = £5.4m week 13 week drug course 26 (weeks 17– 40) = £5.4m week 39
  • 82. Tasks for validation value value (placebo arm) (treatment arm) surgery £5.9m £5.9m radiotherapy (weeks 7–12) £1.6m £5.4m drug course £0.2m £5.1m (weeks 17–40) progressive disease £6.7m £5.9m death £3.1m £3.1m 1 2 3 4 5 6 39s 109s 100s 119s 166s 240s
  • 83. mentioned by potential times mentioned participants: functions (overall) 5 complexity 1 condensing 0 3 4 5 comparison 5 3 6 limited time 2 selective focussing 0 modelling 1 2 3 4 5 6 states 45 1 2 3 4 5 ICER 16 1 2 3 4 5 6 costs 44 PhD research intro 1 2 3 4 5 6 quality of life 55 4 6 other methods 6 2 3 4 6 6 discounting model validation 2 10 A journey (MA) interpretation 1 2 3 4 5 uncertainty 23 A journey (PhD) 1 3 4 5 6 transformation 11 6 overview 1 1 sizing 1 Current work 1 2 learning 5 1 5 obviousness 4 3 4 cognitive load 2 Opportunities 2 5 6 orientation 4 1 2 3 4 6 units 12 4 5 6 memory 3 actions 1 3 4 5 focussing aids 6 2 3 angling 3 3 5 6 peering 5 6 bookmarking 1 1 3 6 design production 3 Qualitative 2 3 4 5 6 media 8 1 1 2 2 4 5 6 5 detail alternatives suggestions 13 4 3 results
  • 84. Question 3: Do you think this kind of display would be useful or confusing for a decision- maker at NICE? The most common idea mentioned (by PhD research intro participants 1, 4 and 6) was that the graphic A journey (MA) would give decision-makers an idea of what was A journey (PhD) ‘driving’ the model, and why the costs per QALY (or ICER) were high or not. Participant 3 thought Current work that giving the decision makers an idea of how Opportunities costs and QALYs were accrued over time was something that they were not currently able to see. Qualitative results
  • 85. Conclusions measurements test (findings) PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 86. Conclusions measurements test (findings) Design of information graphics in HTA Start with user needs Iterative design PhD research intro Formal and informal testing A journey (MA) A journey (PhD) Current work Opportunities
  • 87. Conclusions measurements test (findings) Design of information graphics in HTA Start with user needs Iterative design PhD research intro Formal and informal testing A journey (MA) A journey (PhD) Production of information graphics in HTA Current work Researchers produce with standard spreadsheet software Develop specialist software for new HTA information graphics Opportunities Production by design on individual basis
  • 88. Conclusions measurements test (findings) Design of information graphics in HTA Start with user needs Iterative design PhD research intro Formal and informal testing A journey (MA) A journey (PhD) Production of information graphics in HTA Current work Researchers produce with standard spreadsheet software Develop specialist software for new HTA information graphics Opportunities Production by design on individual basis Use of information graphics in HTA Assess complexity of data on health intervention being considered Search for creative solutions appropriate to communicate that data
  • 89. COMPARATIVE pilot STUDY testing redesign informal may be needed advice INFORMATION initial design work real data incorporation NEEDS SPECIFICATION PROTOTYPE DEPLOY MONITOR INDIVIDUAL STUDY informal conversations needs research studies research research research outputs outputs outputs
  • 90. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 91. Fi$isEFii$' FiiIili FrFl iEi tiiii$igii ffifF$ "Yl lft st (D o g s' ill 3 NCT J (a T n o R6- 6- o E!? xilir*;$rf al p o t. 9 s cLo $tIrgrir{! F rvB d t rH o o iH$r$FiE'rFiri$ ='o tiil?EH3r rFg[ E13+E[F* iltlf.fi N F o- A w (Jl { u S H bR s ;e s 6'e be 5 (o/o Television of all 36' o NJ S&T tv coverage) d ; ts N) H X UJ N) u Ol @ = o ul ol 91 be s ;s s s s 5 0 NJ H (J Ltl t) u (Jl u A o s s ;s s s s F (o F NJ Radio(% of all radic S&T coverage) &' a 6 E -E lqil{$[gfl[Ei w A 5 @ o $f ilF a 3E [l?{F[[u ffilE il[n r-gu$ rE s ;e ;s s s s Ol g Ui p- tJ H Ol NJ N) @ @ NJ 5 (7o Newspapers of :e s ;e s s ;e coverage) { @ ! @ N) all press III {+ iFFiigilIitE} ;e >R s s s ;s Ol Totals [lfE +ilFi $i llrs+EEil 'grcrlgF*tIiF H Ol ! H s s s s s s and the Media. Peter Lang: New York, USA. Boyce, T. & Lewis, J. (Eds.) 2009. Climate Change Opportunities Current work A journey (PhD) A journey (MA) PhD research intro
  • 92.
  • 93. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 94. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 95. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 96. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 97. Studentships - Advertised jobs.ac.uk university sites private arrangement PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 98. Studentships - Advertised jobs.ac.uk university sites private arrangement PhD research intro A journey (MA) Funding Proposal A journey (PhD) www.ahrc.ac.uk www.rcuk.ac.uk Current work charities? Opportunities
  • 99. Studentships - Advertised jobs.ac.uk university sites private arrangement PhD research intro A journey (MA) Funding Proposal A journey (PhD) www.ahrc.ac.uk www.rcuk.ac.uk Current work charities? Opportunities Support from Employer Part time, with teaching load
  • 100. Studentships - Advertised jobs.ac.uk university sites private arrangement PhD research intro A journey (MA) Funding Proposal A journey (PhD) www.ahrc.ac.uk www.rcuk.ac.uk Current work charities? Opportunities Support from Employer Part time, with teaching load Private Funding
  • 101. PhD research intro A journey (MA) A journey (PhD) Current work Opportunities
  • 102. Thank you Will Stahl-Timmins w.stahl-timmins@exeter.ac.uk European Centre for Environment and Human Health

Editor's Notes

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  4. Not trying to persuade or dissuade - it’s not for everyone\npart time? things change a lot in 5 years\n
  5. Not trying to persuade or dissuade - it’s not for everyone\npart time? things change a lot in 5 years\n
  6. advantages: 3 or more years to focus in (hopefully interesting) subject\nintellectually stimulating\nopens up career options\ndisadvantages: low pay\nvery narrow focus - can miss out on practical design skills\n
  7. advantages: 3 or more years to focus in (hopefully interesting) subject\nintellectually stimulating\nopens up career options\ndisadvantages: low pay\nvery narrow focus - can miss out on practical design skills\n
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  26. understanding scientific evidence is essential.\nTough decisions have to be made about which interventions to approve.\n
  27. NICE\n
  28. mostly numerical, textual. \nSome basic graphical techniques used.\n
  29. John Snow, 1854\n...\nNumerical/textual information (addresses) would be hard to interpret.\nInformation graphics are suited to displaying certain types of information\n
  30. 4 years later... Florence Nightingale 1858 (data from her and William Farr)\n
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  32. Lock/Petterson Ltd.\n
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  94. I both hate and love tables of numbers\n
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  97. advantages: 3 or more years to focus in (hopefully interesting) subject\nintellectually stimulating\nopens up career options\ndisadvantages: low pay\nvery narrow focus - can miss out on practical design skills\n
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