Help using Base SAS procedures

Help with proc phreg

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Help with proc phreg

I need to know how to interpret the analysis of maximum likelihood estimates output in SAS after using a phrec procedure with backwards selection.

Attached is an example output.

The code looks something like this:

proc phreg data="map.sas7bdat";

model survival*censor(1) = After_Blood_Return __hr_After_60_Blood_Loss After_60_Blood_Loss _0_min_After_40_Blood_Loss After_40_Blood_Loss Before_Hypotension

/selection=backward;

, run;

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Super User
Posts: 17,898

Re: Help with proc phreg

Here's a good walk through of doing survival analysis with SAS

SAS Seminar: Introduction to Survival Analysis in SAS

Your question is a bit too broad to answer otherwise, in my opinion.

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