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Discrete event simulation: the preferred technique for health economic evaluations?
Jaime J Caro1, Jörgen Möller, Denis Getsios
1Department of Epidemiology, Biostatistics and Occupational Health, Division of General Internal Medicine, McGill University, Montreal, QC, Canada. jaime.caro@mcgill.ca
Discrete event simulation offers a superior alternative to cohort Markov models for health economic evaluations. This method provides more accurate and relevant estimates for healthcare decisions, despite requiring more data.
Area of Science:
- Health economics
- Computational modeling
- Decision science
Background:
- Health economic evaluations are crucial for informed decision-making.
- Existing data limitations necessitate robust modeling techniques.
- Oversimplified models can yield inaccurate and misleading results.
Purpose of the Study:
- To advocate for discrete event simulation (DES) over cohort Markov models (CMMs).
- To highlight the limitations of CMMs in health economic evaluations.
- To establish DES as the preferred modeling technique for healthcare decision-making.
Main Methods:
- Review of underlying principles for both modeling techniques.
- Assessment of model suitability based on data availability and decision-making needs.
- Comparison of DES and CMMs regarding accuracy, relevance, and computational feasibility.
Main Results:
- Cohort Markov models possess significant limitations and assumptions, rendering them inadequate for most healthcare decisions.
- Discrete event simulation (DES) is better suited for modeling complex health-related scenarios.
- DES provides more accurate and relevant estimates without prohibitive computational costs.
Conclusions:
- Discrete event simulation (DES) is the preferred method for current health economic evaluations.
- DES offers a more transparent and valid approach to modeling healthcare consequences.
- The advantages of DES outweigh the challenges of data requirements and transparency.
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