QUALITATIVE DISCREPANCY BETWEEN CENSORED DATA RANK-TESTS

被引：143

作者：

PRENTICE, RL ^{[1
]}

MAREK, P ^{[1
]}

机构：

[1] UNIV WASHINGTON, DEPT BIOSTAT, SEATTLE, WA 98195 USA

来源：

BIOMETRICS | 1979年 / 35卷 / 04期

关键词：

D O I：

10.2307/2530120

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Two popular censored data rank tests were used to compare cancer incidence rates between dogs receiving bone marrow transplantation and control dogs. The logrank test gave a significance level of 0.01. In contrast, Gehan''s generalized Wilcoxon test gave a significance level of 0.76. The statistics are displayed in a manner that shows how such contrasting significance levels can arise. The Gehan statistic is subject to a serious criticism that does not apply to other Wilcoxon generalizations. Further insight into the data is obtained using a time-dependent logrank test and the proportional hazards regression model.

引用

页码：861 / 867

页数：7

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