Publication

Why use methods that require proportional hazards?

Mats Julius Stensrud
2025

Abstract

We recently questioned the utility of testing for proportional hazards in survival analysis. Here, we expand on why the proportional hazards assumption is both implausible and unnecessary in most medical studies, particularly in randomized trials. We conclude that using survival analysis methods that do not rely on proportional hazards is typically the preferred course of action.

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Why use methods that require proportional hazards?

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