相关实验视频

随机临床试验中患者子组治疗效应的分析和解释

S Yusuf1, J Wittes, J Probstfield

  • 1Division of Epidemiology and Clinical Applications, National Heart, Lung, and Blood Institute, Bethesda, Md 20892.

JAMA
|July 3, 1991
PubMed
概括

解释子组结果需要谨慎. 定量相互作用比定性相互作用更可靠,总体试验结果通常比特定亚组的数据更好地指导亚组效应.

相关概念视频

Blind Procedures02:07

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