search for: 2190days

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2013 Nov 20
4
How to stop Kaplan-Meier curve at a time point
...ctors. We had a long follow-up time (upto 8yrs for some variables). However, we decided to stop the analysis at the 6year follow up time, so that we can have uniform follow-up time for all the variables. I did play a bit with the formula and tried to stop the Kaplan-Meier curve at my desired time (2190days)or roughly 6 years. However, my question is I want to find the significance (log rank test) at this time point between the two curves; because I am not able to find a way to stop the survfit at this time point with my knowledge. Below is the code I used. Gender2<-survfit(Surv(Survival_days, Out...