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st: power/ sample size for time-to-event


From   Howells_W@bmc.wustl.edu
To   statalist@hsphsun2.harvard.edu
Subject   st: power/ sample size for time-to-event
Date   Tue, 9 Sep 2003 10:43:26 -0500

Are there any commands or ado files for calculating power and sample size
for time to event outcomes?  Failing that, any recommendation of software
for the basic two group exponential survival comparison?  or simulation
approaches for more complex designs, eg. multiple failures?

Bill Howells, MS
Behavioral Medicine Center
Washington University in St Louis


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