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st: RE: statalist-digest V4 #4247

From   "Hackney, David" <[email protected]>
To   "'[email protected]'" <[email protected]>
Subject   st: RE: statalist-digest V4 #4247
Date   Wed, 17 Aug 2011 09:44:29 -0400

I attempted to post this through the website, though it bounced for some reason.  However, could I place the following post:


Hello all,

     Does anyone have advice on power (or sample size) calculations for competing risks (stcrreg) in Stata?  We did a competing risks regression and found that the HR for the variable of interest was non-significant and the reviewers (reasonably) asked for a post-hoc power analysis to provide support for our conclusion.  There is no competing risk model specific power calculation which appears to be available, though I didn't know if one of the other power commands could be modified to accommodate competing events, or if a user-written program existed (I couldn't find one with the search function).  Thanks.

David Hackney

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