## Survival Analysis Using SAS A Practical Guide

- Allison, D. Paul
- Cary, NC: SAS Institute Inc. SAS Institute Inc…
- 2003

- Published 2006

Cox proportional hazards model is a commonly used model in providing hazard ratio to compare survival times of two population groups. The exponentiated linear regression part of the model describes the effects of explanatory variables on hazard ratio. PROC PHREG is a SAS procedure that implements the Cox model and provides the hazard ratio estimate. The… CONTINUE READING

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