试题与答案

欲比较甲乙两地区居民原发性高血压的患病率,进行标准化率的计算,标准化的基本原理是假设

题型:单项选择题 A2型题

题目:

欲比较甲乙两地区居民原发性高血压的患病率,进行标准化率的计算,标准化的基本原理是假设甲乙两地()

A.人口数量相同

B.原发性高血压患者数量相同

C.人口性别分布相同

D.人口年龄分布相同

E.人口性别与年龄分布相同

答案:

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