1993～2002年沂蒙山区居民死因减寿年数分析

[目的]探讨影响寿命损失的主要死因、寿命损失年数以及时间动态变化趋势。[方法]应用潜在减寿年数（potential years of life lost，PYLL），分析沂蒙山区居民1993～2002年死因资料，比较1993～1997年（前期）和1998～2002年（后期）两个时期男女人群主要死因的PYLL、位序及变化情况。[结果]影响寿命损失的前8类死因的PYLL占全死因PYLL的80％以上，是主要死因，其中损伤与中毒、肿瘤的PYLL超过60％，占前8类死因PYLL的75％。后期与前期比较，单个死因PYLL率下降程度最大的前两类疾病是传染病与寄生虫病、神经系统疾病，男性分别为35．77％和10．34％，女性分别为26．24％和28．68％。肿瘤下降程度最低，男性0．28％，女性0．88％。全死因PYLL率均下降，男性下降9．67％，女性下降17．64％。男女性PYLL率比值，前期为1.32，后期为1．45。[结论]8类主要死因和全死因的PYLL率随时间均下降，其中，传染病与寄生虫病、神经系统疾病的PYLL率下降程度最大，而肿瘤最小。男性寿命损失，明显高于女性，且有进一步增加的趋势。

Analysis of Potential Years of Life Lost on the Mortality Data in the Population of Yimeng Mountain during the period 1993-2002

[Objective] To probe the main cause of death resulting from the protential years of life lost ( PYLL ), their PYLLS and the varied tendency with time. [ Methods ] Using the indicator PYLL to analyze the mortality data of retrospective in the male and female population of Yi-Meng Mountain, during the period 1993-2002, and evaluate PYLL, rate of PYLL and the order of causes of death during 1993-1997 and 1998-2002. [Rusults ] PYLLS of the first eight causes that were the main causes of death were over 80% of all, and PYLLS of injuries-poisoning and tumor were over 60% in all PYLLS, and over 75 % in the PYLLS of the first eight causes. PYLLS of infectious diseases, parasitosis and diseases of nerve system, reduced more than other diseases for males by 35.77% and10.34%, for females by 26.24% and 28.68% , respectively, on the contrary, tumor for males by 0.28% and females by 0.88% . Compared with the period 1993-1997, rate of PYLL of all causes of death and during the period 1998-2002 decrseased for males by 9.67%, and for females by 17.64% . PYLL rate ratio of males to females was 1.32 in the 1993-1997 period, and 1.45 in the 1998-2002 period. [Conclusion ] PYLLS and rate of PYLL of the eight causes of death and all causes of death decreased with time, and the decrease of infectious deseases, parasitosis and nerve system diseases are rapidly, but tumor decreased slowly. PYLLS of males are bigger than those of females and had a tendency to increase.