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北京和平里地区居民心血管疾病十年死亡率趋势分析张雁玲为了加强疾病监测工作，对北京和平里地区居民进行了１０年心血管疾病死亡率变动趋势分析，报告如下。资料来源于北京市和平里医院保健科城市常住人口１９８１～１９９０年的生命统计资料。采用公式：式中：Ｚｉ为人...
Analysis of Ten-year Mortality Trend of Cardiovascular Disease Among Residents in Hepingli District of Beijing Zhang Yanling In order to strengthen disease surveillance, he analyzed the ten-year trend of cardiovascular disease mortality among residents in the Hepingli district of Beijing and reported the following. The data comes from the vital statistics of the permanent population of the city of Hepingli Hospital in Beijing from 1981 to 1990. Using the formula: where: Zi is human...