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Statistical approaches for evaluating and dealing with center effects in multi-center clinical trial
Author(s): 
Pages: 1073-1076
Year: Issue:  9
Journal: CHINESE JOURNAL OF CLINICAL PHARMACOLOGY AND THERAPEUTICS

Keyword:  多中心临床试验中心效应Breslow-Day检验CMH检验logistic回归有序结果的logistic回归;
Abstract: 探讨多中心临床试验中,中心效应的评价与处理方法,采用Breslow-Day检验对有效率的中心间差异进行评价,采用CMH方法对组间有效率及疗效等级进行分析,采用logistic回归方法对中心效应及有效率或疗效等级同时进行评价.结果提示,Breslow-Day检验只能对有效率的中心间差异进行评价,而不能对疗效等级的中心差异进行评价,CMH方法不能同时考虑其它协变量的影响.
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