Dear R-user,

I would like to get the survival probability (surv) for each subject id.
That is, I want to have additional column surv as follows:

id  OS  OS_DUR  surv
____________________


eg:
fitKM<-survfit(Surv(OS_DUR,OS)~1,data=data)
fitKM$surv # this will only give me survival probability and I do not know
the corresponding id

Any one knows how to get the probability?

Thanks a lot,

Kate

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