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本文主要介绍去死因减寿年数(PYLL)指标在流行病学的应用。文章应用生存分析中竞争风险理论计算去死因PYLL指标,对上海市徐汇区、南汇县和江苏省苏州市的11年死因资料进行流行病学分析。描述疾病减寿的时间、地点和人群间的分布,比较不同地区疾病减寿差异,探索危险因素。文章还应用去死因PYLL指标排列死因顺位,把去死因减寿指数与标化死亡比(SMR)、比例死亡比(PMR)进行比较,并计算PYLL指标与零岁期望寿命,标化死亡率的关系。
This article focuses on the application of PYLL indicators in epidemiology. The article uses the competitive risk theory in survival analysis to calculate the PYLL indicators of death, and conducts epidemiological analysis on the 11-year causes of death in Xuhui District, Nanhui County, and Suzhou City, Jiangsu Province. Describe the time, place, and distribution of people’s life-threatening diseases, compare the difference in the life span of diseases in different regions, and explore risk factors. The article also uses the death cause PYLL index to rank the cause of death, compare the mortality rate of the death to death with the standardized death ratio (SMR), the proportion of death ratio (PMR), and calculate the PYLL index and zero-year-old life expectancy, standardized mortality Relationship.