log-rank

  1. R

    How to correctly interpret log-rank test results

    I have question regarding the log rank test. I understand that this test is used to know whether two or more groups have different survival distributions.. I used this test to compare the survival distribution for 2 cohorts and my p-value result is 0.2, does this mean that there is not enough...
  2. D

    Is Kaplan-Meier Log-rank p-value valid even if one group has zero events

    Hi all, So first off, I am a novice so I apologize if this is a beginner question. I am doing a research project where I am looking at immune sensitization prior to heart transplants and seeing if it has any bearing on outcomes after transplant. Patients fall into either a "Hi" or a "Lo"...