[R] Hazard plot

Dieter Menne dieter.menne at menne-biomed.de
Mon Sep 29 16:41:11 CEST 2008

Laura Bonnett <l.j.bonnett <at> googlemail.com> writes:

> I am looking at a continuous variable, age.  I am looking at time to
> 12-month remission and can calculate the HR and 95% confidence interval are
> follows:
> coxfita = coxph(Surv(rem.Remtime,rem.Rcens)~nearma$all.age,data=nearma)
> exp(coxfita$coefficients)
> exp(confint(coxfita))
> However, because I am looking at age as a continuous variable I cannot draw
> a Kaplan-Meier curve.  Instead I need to draw a plot of hazard against age.

Function survplot in package Design has "hazard" as an option.


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