Restricted mean survival time approach versus time-varying coefficient Cox model for quantifying treatment effect when hazards are non-proportional

Abstract Background Although the Cox time-varying coefficient (TVC) model has been developed to address non-proportional hazard (PH), its use remains underexplored. Instead, the restricted mean survival time (RMST) has been widely used in non-PH settings to quantify treatment effects using life expe...

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Bibliographic Details
Main Authors: Tianyuan Gu, Zhaojin Chen, Yu Yang Soon, Joseph Wee, Bee-Choo Tai
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:https://doi.org/10.1186/s12874-025-02608-z
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