2004-2007年浙江省舟山市定海区病毒性乙型肝炎监测分析

Analysis of surveillance of viral hepatitis B in Dinghai district of Zhoushan,Zhejaing province,2004-2007

目的探索病毒性乙型肝炎(乙肝)监测数据的网络直报情况。方法采用描述流行病学研究方法分析。结果2004-2007年乙肝累计报告发病1140例,年均报告发病率为73.03/10万,占甲乙类传染病发病构成逐年递增,订正后年均报告发病率为76.39/10万。病例报告分类以慢性乙肝为主,占74.66%,年度丢失病例数为2%～3%。结论报告发病以15～54岁的中青年为主,15岁以下儿童一直处于低水平,55岁以上老年人有逐年递增趋势;发病率男性高于女性;较集中在工人、家务及待业、农民、公务人员及职员等人群。

Objective To investigate the direct network reporting of surveillance data of viral hepatitis in Dinghai district.MethodsDescriptive epidemiological study was conducted to analyze the surveillance data.ResultsA total of 1140 hepatitis B cases were reported accumulatively from 2004 to 2007 with an annual average incidence rate of 73.03/lakh;The proportion of hepatitis B cases in class A and B infectious diseases cases constituent increased year by year and the revised annual average incidence rate was 76.39/lakh.Most cases were of chronic hepatitis B（74.66%）.The annual underreport rate of hepatitis B was 2%-3%.ConclusionThe reported incidence was high in population of 15-54 years old,low in children less than 15 years old and increased year by year in the population aged〉55 years.More cases occurred in men than in women.Worker,home servant or jobless people,farmer and staffs were the major populations affected.