首页/ 题库 / [单选题]在一个乳腺癌与产次关系的病例对照研究中,的答案

在一个乳腺癌与产次关系的病例对照研究中,结果100例乳腺癌患者中,有25人未产,100例对照中有10例未产,那么未产使妇女患乳腺癌的危险增大()

单选题
2021-12-26 20:54
A、2.0倍
B、3.0倍
C、2.5倍
D、1.0倍
E、1.5倍
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正确答案
A

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