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st: p-values for K-M point survival estimates using sts list


From   "Bell, Cynthia" <Cynthia.Bell@uth.tmc.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: p-values for K-M point survival estimates using sts list
Date   Wed, 25 Aug 2010 10:41:57 -0500

The "sts list" command provides point estimates, std errors, and confidence intervals at exact times during my observation period. I prefer confidence intervals to compare, say, 10-year survival estimates between groups but a journal requested p-values comparing group point estimates at specific time points. Is this possible in Stata? If not, it shouldn't be complicated to compute a p-value given a distribution for the K-M survival point estimate and the standard error, right?

Thanks very much,

Cynthia Bell
Division of Pediatric Nephrology and Hypertension
University of Texas-Houston, Medical School



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