Before a more formal examination of the considerations that may arise when analyzing survival data, it is necessary to examine the motivating example in more detail. The I-ELCAP study screened ...

We consider a comparison of Kaplan–Meier curves from clinical trials in which there may be a delayed treatment effect. Any such delay takes us outside the umbrella of a proportional hazards structure ...

Kaplan-Meier curves for the primary composite event. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for ...