Evaluating the Proportional Hazards Assumption

  • David G. Kleinbaum
  • Mitchel Klein
Part of the Statistics for Biology and Health book series (SBH)


We begin with a brief review of the characteristics of the Cox proportional hazards (PH) model. We then give an overview of three methods for checking the PH assumption: graphical, goodness-of-fit (GOF), and time-dependent variable approaches.


Proportional Hazard Assumption Graphical Approach Schoenfeld Residual Estimate Survival Probability Estimate Survival Curve 
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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of EpidemiologyRollins School of Public Health at Emory UniversityAtlantaUSA

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