2008-2012年四川省盐边县肺结核流行病学分析

Epidemiological Analysis of Tuberculosis in Yanbian County,2008-2012

目的掌握四川省盐边县2008—2012年肺结核流行情况，为今后防治肺结核流行提供科学依据。方法采用描述流行病学方法对盐边县的肺结核病发病率、地区分布、人群分布、职业分布、时间分布等内容进行统计分析。结果2008—2012年盐边县发现活动性肺结核病例558例，其中痰检结核菌阳性（涂阳）肺结核病例249例，痰检结核菌阴性（涂阴）肺结核病例309例；年平均发病率53．77／10万，以2008年发病率最高64．53／10万，其次2009年55．29／10万，以后呈逐年平稳下降趋势；25-45岁发病293例，占总发病数的52．5％。男女性别比为1．26：1。全县16个乡镇均有发病，病例主分布在格萨拉乡、渔门镇和永兴镇，分别占总病人数的31．2％、21．7％和18．6％等。结论2008—2012年盐边县肺结核发病呈逐年下降趋势，以青壮年男性为主。

Objective To master the prevalence status of Tuberculosis（TB） in Yanbian county in 2008 -2012, and thus to provide references for TB prevention and control. Methods Descriptive epidemiological method was adopted to survey the incidence and distribution of TB. Results During the period ,558 cases of active TB were found, of which 249 were sputum smear positive cases and 309 were sputum smear negative cases. The annual average incidence was 53.77/105 ,with the highest incidence rate of 64. 53/105 in 2008 ,followed by 55.29/ 105 in 2009; the incidence showed a downtrend from then on. There were 293 cases concentrated in 25 -45 years old, accounting for 52. 5% of the total cases. The sex ratio of male to female was 1.26： 1. The cases were found in all the 16 towns and gathered in Gesala town （31.2%）, Yumen town （21.7%） and Yongxing town （ 18.6% ）. Conclusion The incidence of TB in Yanbian county shows an downtrend in 2008 - 2012 and the young adults are the vulnerable population.