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st: FW: stcrreg: when the proportional hazards assumption fails

From   "Zoe Hyde" <[email protected]>
To   <[email protected]>
Subject   st: FW: stcrreg: when the proportional hazards assumption fails
Date   Thu, 21 Oct 2010 16:45:42 +0800

Hello All,

I am wondering what options are available when the proportional hazards assumption doesn't hold in a competing-risks regression.  The assumption holds for my main independent variable of interest, but not for another (ordinal) variable that I'd like to adjust for; fitting it as a time-varying covariate gives a significant result for 2 of its 3 levels.

I could get around this by stratifying by this variable in a standard Cox model, but this doesn't seem to be supported (yet) by stcrreg.

Are there any alternatives?



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