Users’ Guide to Medical Decision Analysis

Claudia C. Dobler*, Gordon H. Guyatt, Zhen Wang, M. Hassan Murad

*Corresponding author for this work

Research output: Contribution to journalReview articleResearchpeer-review

Abstract

Clinicians regularly have to trade benefits and harms to choose between testing and treatment strategies. This process is often done by making global and implicit judgments. A decision analysis is an analytic method that makes this process more explicit, reproducible, and evidence-based. While clinicians are unlikely to conduct their own decision analysis, they will read publications of such analyses or use guidelines based on them. This review outlines the anatomy of a decision tree and provides clinicians with the tools to critically appraise a decision analysis and apply its results to medical decision making. Clinicians reading about a decision analysis can make two judgments. The first judgment is about the credibility of the methods, such as whether the decision analysis addressed a relevant clinical question, included all important outcomes, used the current best evidence to derive variables in the model, and adopted the appropriate time horizon. The second judgment is about rating confidence in the preferred course of action by determining the certainty in the model variables, whether the results are robust in sensitivity analyses and if the results are applicable to a specific patient. Results from a valid and robust decision analysis can inform both guideline panels and the patient-clinician dyad engaged in shared decision-making.

Original languageEnglish
Pages (from-to)2205-2217
Number of pages13
JournalMayo Clinic Proceedings
Volume96
Issue number8
DOIs
Publication statusPublished - Aug 2021

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