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st: RE: sample size calculation for survival data


From   "Anderson, Bradley J" <BAnderson1@lifespan.org>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: sample size calculation for survival data
Date   Thu, 15 Nov 2007 09:17:41 -0500

Try findit art.  It will give you a link to programs that will allow calculation of sample size requirements for various tests including survival models.

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Kenneth Kasule
Sent: Thursday, November 15, 2007 8:48 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: sample size calculation for survival data


Dear all,

Could somebody help me to get to know how one could calculate a sample size from
an existing medical records database. I would like to carry out a retrospective
study on clinical data collected for HIV/AIDS clients. I am estimating
mortality. How could I go about it?

Thank you

Kenneth



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