A Bartlett type correction for Wald test in Cox regression model

In clinical trials with time to an event endpoint, the Wald test in a Cox regression model may be used to assess the difference between two treatments. In this paper, a Bartlett type correction to the Wald test is derived and applied to the analysis of data from a clinical trial on actuate myelogenous leukemia (AML). Monte Carlo simulations are also performed to assess the actual type I error and power of the proposed Bartlett corrected test.

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Year of publication:	2008
Authors:	Li, Xiao ; Wu, Yaohua ; Tu, Dongsheng
Published in:	Statistics & Probability Letters. - Elsevier, ISSN 0167-7152. - Vol. 78.2008, 16, p. 2614-2622
Publisher:	Elsevier

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10005053167