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st: Adjusted Kaplan-Meier curves


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Adjusted Kaplan-Meier curves
Date   Mon, 8 Jun 2009 08:46:31 -0700 (PDT)

Hello,

I have been asked to plot Kaplan-Meier curves adjusted for covariates, such as age, gender, race. 
My thought was to use -stcox- to adjust and then plot the adjusted survival using -stcurve-. 
But I am not sure I am doing this correctly. The KM curves plotted with -sts graph,by()- crossover, but those plotted with -stcurve- do not and also they have a lot more steps than the original curves. Any ideas?

Is there another way to get adjusted Kaplan-Meier curves in Stata?

Thank you,
Ricardo

Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK




      
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