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Abhijit

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25 Jan 2012 Logrank Comparing survival curves of two groups using the log rank test Author: Giuseppe Cardillo

I'm sorry, but using your software I do not get the p-value for the log-rank test that is consistent with the results of either R or Stata (both of which match). For the test data supplied with the function, I get a p-value of 0.0193, whereas you're getting a p-value of 0.01529. The KM curves are the same, but there is apparently something wrong in your logrank computation.

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