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目的了解安阳市乙型病毒性肝炎的流行特征,为制定控制乙肝疫情策略提供依据。方法根据疫情网络数据对安阳市2010~2012年的乙肝疫情资料进行描述性分析。结果 2010~2012年累计报告乙肝病例26 649例,年平均发病率为168.20/10万,发病年龄集中于15岁~55岁,占发病总数的82.80%;职业发病分布前3位的是农民(72.38%)、家务及待业(8.96%)、离退人员(4.18%);高发县区主要为北关区(392.29/10万)、殷都区(264.16/10万)和高新产业开发区(250.87/10万)。病例分类中,急性乙肝1 829例,占6.86%,慢性乙肝12 570例,占47.17%,未分类乙肝12 250例,占45.97%。结论 2010~2012年安阳市乙肝报告发病率持续上升,主要是慢性乙肝和未分类乙肝病例,应进一步提高医疗机构对乙肝的诊断分类水平,规范报告程序,提高报告质量,加强对成年高危人群和重点人群的疫苗接种工作。
Objective To understand the epidemiological characteristics of hepatitis B in Anyang City, and to provide the basis for the development of strategies to control the outbreak of hepatitis B. Methods Descriptive analysis of epidemiological data of hepatitis B in Anyang from 2010 to 2012 according to epidemic situation network data. Results A total of 26 649 cases of hepatitis B were reported from 2010 to 2012, with an average annual incidence of 168.20 / 100 000. The age of onset was between 15 and 55 years old, accounting for 82.80% of the total. The top 3 occupational diseases were farmers 72.38%), housework and unemployed (8.96%), and retired staff (4.18%). The high-counties mainly include Beiguan District (392.29 / 100,000), Yindu District (264.16 / 100,000) and Hi-tech Industrial Development Zone 250.87 / 100,000). In the case classification, there were 1 829 cases of acute hepatitis B, accounting for 6.86%, 12 570 cases of chronic hepatitis B, accounting for 47.17%, 12 250 cases of non-classified hepatitis B, accounting for 45.97%. Conclusion The incidence of hepatitis B in Anyang City increased continuously from 2010 to 2012, mainly in the cases of chronic hepatitis B and non-classified hepatitis B. The diagnosis and classification of hepatitis B in medical institutions should be further improved, the reporting procedures should be standardized, the reporting quality should be improved, Key population vaccination work.