EVPI Calculator
Health Decision Strategies, LLC
::: Beta Test -- For Unofficial Use Only :::

::: Data Entry Page :::


You can modify values in the yellow boxes below and hit submit.


EXPECTED VALUE OF PERFECT INFORMATION (EVPI) VERSUS WILLINGNESS TO PAY (WTP)
WTP Max
Willingness to Pay ($/QALY) ICER (A vs B)
Inc. Cost
Inc. Effect
   =( Inc. cost/inc. effect) :::
INTERVENTION: A
INTERVENTION: B (Baseline)
Iteration QALYs A Cost A Net Benefit: A
QALYs B Cost B Net Benefit: B Optima Choice Max Net Benefit Opportunity Loss
1
2
3
4
5
6
7
8
9
10
Aver. Aver. Exp. Net Benefit: A
Aver. Aver. Exp. Net Benefit: B
Exp. Max Benefit EVPI Percent A
INCREMENTAL NET BENEFIT (A VS B) 
 
You can modify values in the yellow boxes above and hit submit.


SAMPLE GRAPHICS FROM RESULTS PAGE
EVPI Curve
Incremental Net Benefit
  
Incremental Cost Effectiveness Ratio Slope
Cost Effectivenes Acceptability Curve (CEAC)
(c) HDS

References:

1. McQueen RB et al. Expected Value of Perfect Information: Active Learning Through User-Friendly Computations,
Displays, And Applications. ISPOR 19th International Meeting. Montreal, Canada. June 2014.
2. Briggs S, Sculpher M, and Claxton K. Decision Modelling for Health Economic Evaluation. 2006. Oxford University Press.
3. Claxton K and Sculpher M. Using Value of Information Analysis to Prioritise Health Research: Some Lessons from Recent UK Experience. 2006:24(11). Pharmacoeconomics.
4. Middleton M. Value of Information in Decision Trees. Chapter 19. 2007. TreePlan.com.

HDS
(c) Health Decision Strategies, LLC