摘要
目的分析了解安岳县病毒性肝炎发病情况,掌握其流行特征,为今后制定病毒性肝炎预防与控制措施提供有效依据。方法运用描述性流行病学分析方法,对安岳县2007-2011年报告的病毒性肝炎病例的一般流行病学特征,人群分布、时间分布及地区分布进行流行病学分析。结果 2007-2011年安岳县共报告病毒性肝炎8 458例,年均发病率106.55/10万。发病率呈逐年下降趋势,各年间病毒性肝炎发病率总的说来有差异(χ2=239.03,P<0.01)。病毒性肝炎发病以乙型肝炎居首,为7 342例(86.81%);甲型肝炎为413例(4.88%)。各月均有发病,月发病维持在700例左右,无明显季节性(r=0.058 9,P>0.05)。男性发病多于女性,男女比为2.2∶1。发病年龄主要以青壮年(20～59岁)为主,为5 942例(70.25%),其中30～39岁年龄组的发病最高,为1 647例(19.47%)。职业分布以农民为主5 598例(66.19%),其次为学生发病695例(8.22%)。结论安岳县病毒性肝炎发病略有下降趋势。
Objective To master the epidemic characteristics of the viral hepatitis in Anyue county,for establishing better prevention and control measures.Methods Descriptive epidemiological analysis methods were applied to viral hepatitis cases reported in 2007-2011.Results A total of 8458 cases were reported in Anyue county between 2007-2011,with an annual incidence of 106.55/105,and the incidence showed an descending trend yearly.Significant difference of incidence were found among years(χ2=239.03,P<0.01).Hepatitis B covered the most cases(86.81%);while hepatitis A only covered 413 patients(4.88%).Cases were monthly discovered,with 700 cases or so for each;no seasonal difference was detected(r=0.0589;P>0.05).Onsets were more in males than in females with a sex ratio of 2.2∶1.Onsets were mainly young adults(age of 20-59) with totally 5942 cases(70.25%),and 30-39 age group took the greatest portion: a total of 1647cases(19.47%).Occupation distribution was mainly peasantry,with 5598 cases(66.19%);and followed by the students,with 695 cases(8.22%).Conclusion Viral hepatitis incidence in Anyue county displayed a slight downward trend year by year during 2007-2011.
出处
《职业卫生与病伤》
2012年第4期206-209,共4页
Occupational Health and Damage
关键词
病毒性肝炎
流行病学
安岳县
viral hepatitis
epidemiology
Anyue county
