One of the problems is that I get infinite confidence intervals. I
also doubt if I can use more than one explanatory variables as I have
only 15 deaths.
That is why I think I need an exact method.
Roland
2009/4/15 Lachenbruch, Peter <[email protected]>:
> A quick thought: could you bootstrap the cox regression? As long as
> you're not changing the predictors each time, it should be OK.
>
> Tony
>
> Peter A. Lachenbruch
> Department of Public Health
> Oregon State University
> Corvallis, OR 97330
> Phone: 541-737-3832
> FAX: 541-737-4001
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of roland
> andersson
> Sent: Wednesday, April 15, 2009 6:18 AM
> To: [email protected]
> Subject: st: exlogistic for survival data?
>
> I am analysing 127 patients operated for thyroid cancer with 15
> deaths, most of them early. Followed up for 20 years. I would like to
> make multivariate analysis of difference in survival, but can not use
> coxregression because of the few numbers. Can I use exlogistic to
> obtain some meaningful results, ie defining predictors of death at a
> certain point in time?
>
> Roland Andersson
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