[R] How to obtain confidence intervals from a coxph object?

Vegard Andersen veand at frisurf.no
Fri Oct 29 13:42:18 CEST 2004


Hi!

I am performing an analysis which looks like this:

cox.out <- coxph(Survobject ~ x1 + x2 + x3)
summary(cox.out)

This works fine, but I have not been able to extract any of the output  
 from "summary(cox.out)", for instance like:

summary(cox.out)$coef  or
summary(cox.out)$lower

So my question is if there is any way to extract the information given in  
summary(cox.out)?

Thanks in advance!


Best regards,
Vegard Andersen
Institute of Community Medicine
University of Tromso
Tromso, Norway


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