ConVOI four-method EVSI guidance
A practical guide that helps researchers choose and use four different methods to estimate the value of collecting more evidence in healthcare decisions, focusing on when and how to apply each method.
At a glance
Use when
Selecting an appropriate EVSI method based on available data, technical capacity, and computational resources
Avoid when
Conducting non-model-based or non-Bayesian value of information analyses
Inputs
Health economic model, probabilistic sensitivity analysis results, study design parameters
Outputs
Comparison of EVSI approximation methods in terms of inputs, software, expertise, and computational requirements
How it works
Provides comparative guidance on four model-based methods for estimating Expected Value of Sample Information (EVSI), detailing required inputs, technical expertise, and compatible software tools; developed by the ConVOI / ISPOR-SMDM Value of Information working group to support method selection and implementation in health economic evaluations.
- HTA domains
- Clinical Effectiveness, Costs & Economic Evaluation, Aspects Beyond HTA
- Assumptions
- EVSI methods are applied within a Bayesian decision-theoretic framework; reliable probabilistic sensitivity analysis is available
- Strengths
- Enables informed method selection by comparing practical requirements; developed by an international expert collaboration; supports efficient EVSI computation
- Limitations
- Limited to four specific EVSI approximation methods; does not cover all possible approaches or software tools
Questions this answers
- › Which EVSI approximation methods are available and how do they differ?
- › What inputs are required for each EVSI method?
- › What level of technical expertise is needed for each method?
- › Which software tools support each EVSI method?
- › How do computational demands vary across methods?
- › When is each EVSI method most appropriate to use?
References & sources
Similar by meaning
Beta record. Based on the original catalogue summary; primary-source enrichment pending.