方法：应用标化死亡率和潜在寿命损失年数（YPLL）对湖南省洞庭湖水域部分洪灾区人群的死亡情况进行分析。
Methods The methods of standard mortality rate (SMR) and years of potential life lost (YPLL)were used to analyze the death of sample residents from flood areas in Dongting Lake in Hunan province.
方法：采用死亡率、YPLL(潜在寿命损失年数)率对河南省结核病监测区1992 ~ 1998年结核病死亡情况进行分析。
Method: YPLL and mortality rates were used to analyze the results of TB death surveillance in Henan from 1992 ~ 1998.
方法将天津市1992～ 2 0 0 1年循环系疾病死亡状况进行汇总分析，应用死亡率及潜在寿命损失年数（PYLL）揭示10年的动态变化。
Methods This study analyzed 10-year (1992~2001) diseases of circulatory system mortality trends, and disclosed the 10-year death trend by using death rate and person-years of life lost (PYLL).
方法将天津市1992～ 2 0 0 1年循环系疾病死亡状况进行汇总分析，应用死亡率及潜在寿命损失年数（PYLL）揭示10年的动态变化。
Methods This study analyzed 10-year (1992~2001) diseases of circulatory system mortality trends, and disclosed the 10-year death trend by using death rate and person-years of life lost (PYLL).
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