成组序贯设计 ( group sequential design )是把整个试验分成若干个连续的分析段,每个分析段受试者数相等,且试验组与对照组的收试者数比例与总样本的比例相同。
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group p sequential design 成组序贯设计
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Methods With the design of sequential trial, the patients were divided into a treatment group and a control group.
方法:采用序贯试验设计方法分治疗组与对照组。
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