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2013 Nov 20
4
How to stop Kaplan-Meier curve at a time point
Hello R users I have a question with Kaplan-Meier Curve with respect to my research. We have done a retrospective study on fillings in the tooth and their survival in relation to the many influencing factors. 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 quest...