[R] Plotting adjusted KM curve
gor@n@bro@trom @end|ng |rom umu@@e
Fri Apr 9 13:13:00 CEST 2021
On 2021-04-05 03:34, Sorkin, John wrote:
> I am using the coxph to model survival time. How do I plot an adjusted Kaplan Meir plot resulting from coxph? The code I would like to run would start with:
> # run cox model
> fit1Cox <- coxph(surv_object ~age+sex,data=mydata)
> I have no idea what would follow.
You should look at
in the survival package, especially the 'newdata' argument.
> I would like to plot adjusted KM curves for men vs. women at age 65.
Then I guess that you should stratify on sex:
fit <- coxph(surv_object ~ age + strata(sex), data = mydata)
sfit <- survfit(fit, newdata = data.frame(age = 65))
> Thank you,
> [[alternative HTML version deleted]]
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