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One-Way Sensitivity Analysis

A sensitivity analysis in which a single parameter is varied while all others are held at their base case values.

Definition

One-way sensitivity analysis (OWSA) tests the impact of individual parameter uncertainty on model outcomes. Each parameter is varied between a lower and upper bound, typically defined by 95% confidence intervals or plausible ranges, while all other parameters remain at their base case values. Results are displayed as tornado diagrams, ranking parameters by their influence on the ICER.

Canonical Identity

Version
1.0.0
Published
4/26/2026
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