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Modelling the Cost-Effectiveness of Diagnostic Tests
1Health Economics Group, University of Exeter, Exeter, UK. t.m.snowsill@exeter.ac.uk.
Pharmacoeconomics
|January 23, 2023
Summary
Economic evaluations of diagnostic tests face challenges beyond accuracy. This article explores these challenges, offering solutions and identifying areas for future methodological research in health economics.
Area of Science:
- Health Economics
- Diagnostic Test Evaluation
- Health Technology Assessment
Background:
- Diagnostic tests identify diseases based on patient symptoms.
- Economic evaluations assess the value of diagnostic tests relative to their cost.
- Test accuracy alone is insufficient for comprehensive economic evaluation.
Purpose of the Study:
- To explore challenges in economic evaluations of diagnostic tests.
- To propose solutions for common methodological issues.
- To identify areas needing further research in diagnostic test economic modeling.
Main Methods:
- Review of common challenges in economic evaluations of diagnostic tests.
- Discussion of factors beyond accuracy, such as time to diagnosis and patient acceptability.
- Critique of standard modeling approaches like decision trees for diagnostic tests.
Main Results:
- Economic evaluations must consider factors beyond test accuracy.
- Standard modeling approaches may be inadequate for diagnostic tests.
- Lack of consensus guidelines complicates economic evaluations.
Conclusions:
- Economic evaluations of diagnostic tests require broader considerations than accuracy alone.
- Methodological advancements are needed for robust economic evaluations of diagnostic tests.
- Further research is necessary to develop consensus guidelines for this field.
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