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This JAMA Guide to Statistics and Methods explains the meaning underlying the proportional hazards (PH) assumption underlying Cox regression and survival analyses, and proposes that reports of survival differences might replace statistical tests of the PH assumption because they are more meaningful.
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Mats Julius Stensrud
Miguel A. Hernán
JAMA
Harvard University
University of Oslo
Harvard–MIT Division of Health Sciences and Technology
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Stensrud et al. (Fri,) studied this question.
www.synapsesocial.com/papers/69d719538a0e2c5879bef0e6 — DOI: https://doi.org/10.1001/jama.2020.1267
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