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婴儿死亡率和人群平均期望寿命是综合反映一个国家或地区社会、经济状况的两个指标,而婴儿死亡漏报不仅影响婴儿死亡率的准确性,并由此进一步影响人群平均期望寿命数值的准确性,故探讨两者的数量关系有一定的参考价值。材料与方法(1)人群死亡资料来自区、县卫生防疫站的调查登记年报表;人口资料来自公安局年报。(2)婴儿死亡漏报假设:婴儿死亡人数D_t=D_a+D_b,假设漏报人数D_b=D_a·
Infant mortality and the average life expectancy of the population are two indicators that comprehensively reflect the social and economic conditions in a country or region. The omission of infant mortality not only affects the accuracy of infant mortality, but also further affects the accuracy of the population average life expectancy Therefore, it is of certain reference value to explore the quantitative relationship between the two. Materials and methods (1) Data on death of the population are from the annual report of investigation and registration of the epidemic prevention stations in districts and counties; the population information is from the annual report of the Public Security Bureau. (2) The omission of infant mortality hypothesis: the number of infant deaths D_t = D_a + D_b, assuming the number of omissions D_b = D_a ·