1973-2005年肺癌高发地区肺癌死亡趋势的分析

目的了解肺癌高发地区肺癌死亡率的变化趋势，为当地肺癌防治效果评价和措施的制定提供依据。方法收集3次全国死因回顾抽样调查云南省宣威市（县）肺癌死亡数据，分析1973-1975年、1990-1992年及2004-2005年3个时期宣威市（县）肺癌死亡水平、分布特征及长期变化趋势。结果第一次全国死因回顾抽样调查（1973-1975年）宣威肺癌死亡率为23．14／10万，第二次（1990-1992年）为34．88／10万，第三次（2004—2005年）为91．11／10万。1973-2005年，宣威肺癌死亡率由23．14／10万上升至91．11／10万；1991—2005年15年增加了1．61倍，高于1973--1990年18年的0．51倍；死亡年龄中位数由57岁上升为63岁；部分乡镇由历史上肺癌的低发区上升为肺癌中发区。结论宣威肺癌死亡率呈快速上升趋势，近十余年增长速度较快。

Trend Analysis of Lung Cancer Mortality in Areas with High Incidence From 1973 to 2005

Objective To understand the change trend of lung cancer ( LC ) mortality in areas with high incidence, to provide basis for evaluation of its control and making measures in the locality. Methods The LC mortality data of Xuanwei town obtained from 3 national retrospective sampling surveys (1973 -1975, 1990 - 1992, 2004 - 2005 ) were collected to analyze LC mortality, its distribution and long -term change trends. Results The LC mortalities in Xuanwei area were 23. 14 per 100 000 (1973 -1975 ) , 34. 88 per 100 000 (1990 - 1992 ), 91. 11 per 100 000 (2004 - 2005 ) , respectively. It increased by 1. 61 times in the 15 years (from 1991 to 2005), 0. 51 times higher than in the 18 years (1973 - 1990). The median age at death rose from 57 to 63. Some small towns changed from low - incidence areas to moderate. Conclusion The LC mortality rate in Xuanwei town has increased rapidly, especially in recent ten years.