试题与答案

在某地区进行男性吸烟与膀胱癌关系的队列研究结果如下根据该资料,男性吸烟与膀胱癌关系的

题型:单项选择题 A3/A4型题

题目:

在某地区进行男性吸烟与膀胱癌关系的队列研究结果如下

根据该资料,男性吸烟与膀胱癌关系的相对危险度为

()

A.48.0

B.48.0-25.4=22.6

C.48.0/25.4=1.89

D.(48.0-25.4)/48.0

E.本资料不能计算

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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