when to use survival rate t how to calculate survival probability in population randomized clinical trial how to calculate survival time survival probability of a 2nd stage randomized trial how to calculate survival time in clinical trial? calculating survival probability calculating survival time how to calculate remission probability how are survival times calculated in a two stage clinical trial how do I calculate survival probability how to calculate survival probability in a clinical trial how do you calculate survival rates how to calculate survival probability of a patient in a clinical trial calculate survival probability in two stage clinical trial how do you calculate survival rates in clinical trial how do you calculate survival rate in a clinical trial what is the survival probability what is survival probability two stage induction how to calculate survival of a patient what is the survival probability