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混杂因素调整和相互作用分析是病例对照研究重要的统计学问题。这些问题同样会对病例对照研究设计产生影响。本文重点讨论混杂因素和相互作用对病例对照研究样本大小的影响。
Confounding factor adjustment and interaction analysis are important statistical issues in case-control studies. These issues also have an impact on the case-control study design. This article focuses on the effect of confounding factors and interactions on sample size in case-control studies.