【单选题】【消耗次数：1】
某区某年冠心病死亡率计算其分母为该区（ ）
①
年均人口数
②
所有住院人数
③
各死因死亡总数
④
所有患病人口数
⑤
所有冠心病患病人数
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【单选题】
调查两工厂15～60 岁工人冠心病死亡率，45岁以上老工人人数甲工厂较乙工厂多，而25岁以下新工人人数乙工厂又高于甲工厂。随年龄增大，冠心病死亡率不断增加。欲对比两厂总冠心病死亡率，应考虑（ ）
①
分年龄组进行对比
②
以死亡构成比来分析
③
计算标准化死亡率后再作对比
④
挑选两厂工人年龄相近的进行对比
⑤
将年龄相同的工人配成对子进行对比
【单选题】
某地男子冠心病死亡率为14632/13752300×1000‰= 1.06‰，表明该地（ ）
①
每千名男子中平均死亡1.06人
②
每千名男子中平均有1.06人死于冠心病
③
每千名冠心病患者死亡的可能性为1.06
④
每千名死亡人数中平均有1.06人死于冠心病
⑤
(23＋12＋41 ＋70)/1848×100‰
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