Korean J Epidemiol.  1997 Jun;19(1):67-72.

Sample Size Estimation for Log-Rank Test for Phase III Clinical Trials

• Jung SH
• Choi JH
• Park BJ

Abstract

At first, we review a sample size estimation method for log-rank test in survival analysis. Although it is widely used these days, it has a weakness for practical use. We propose a modification method to avoid the weakness.

MeSH Terms

Sample Size*