A COMPARISON OF SAMPLE-SIZE METHODS FOR THE LOGRANK STATISTIC

被引：64

作者：

LAKATOS, E ^{[1
]}

LAN, KKG ^{[1
]}

机构：

[1] GEORGE WASHINGTON UNIV,DEPT STAT COMP & INFORMAT SYST,WASHINGTON,DC 20052

来源：

STATISTICS IN MEDICINE | 1992年 / 11卷 / 02期

关键词：

D O I：

10.1002/sim.4780110205

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Several methods are available for sample size calculation for clinical trials when survival curves are to be compared using the logrank statistic. We discuss advantages and disadvantages of some of these methods, and present simulation results under exponential, proportional hazards and non-proportional hazard situations.

引用

页码：179 / 191

页数：13

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