题目内容
病例对照研究中，OR值的含义为
2021-10-08
A.对照组的发病率与病例组的发病率之差
B.病例组的发病率与对照组的发病率之比
C.病例组的暴露比值与对照组的暴露比值之比
D.病例组的暴露比值与对照组的暴露比值之差
E.对照组的暴露比值与病例组的暴露比值之比
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