2006-2011年北碚区丙型肝炎流行特征分析

Hepatitis C in Beibei District of Chongqing,2006-2011

目的分析近年来北碚区丙型肝炎（丙肝）流行病学特征,探讨丙肝感染高危因素。方法搜集北碚区2006-2011年传染病报告系统中的丙肝疫情资料进行描述性流行病学分析。结果 6年共报告丙肝病例360例,年发病率6.32/10万~14.53/10万,平均10.02/10万。无明显季节高峰。城镇地区发病率16.97/10万,是农村地区的3.01倍。发病居前5位的是东阳、天府、朝阳、北温泉和天生地区,发病率较高的地区HIV感染率也高。病例以25~49岁青壮年为主;男性发病率13.86/10万,明显高于女性;发病者中家务及待业人员最多,占到总数64.72%。结论北碚区丙肝发病率较高,丙肝高发与静脉注射吸毒者关系密切,应加大对吸毒人群的行为干预,并提高疫情报告质量。

Objective To analyze the epidemiology characteristics of hepatitis C in Beibei district of Chongqing from 2006to 2011.Methods Epidemiology analysis was performed on the data of hepatitis C obtained from China Information System for Disease Control and Prevention.Results A total of 360 hepatitis C cases were reported,with an annual average incidence rate of 10.02/105.The highest incidence rate was 6.32/105 and the lowest was 14.53/105.There were cases reported through the whole year without obvious seasonal peaks.The urban area had an incidence rate of 16.97/105,triple of that in rural area.The incidence rate of male was higher than that of female.The areas with higher incidence rate of hepatitis C had a higher HIV infection rate as well.The most cases of hepatitis C were reported in the age of 25-49years;the house workers and unemployment people accounted for 67.72% of the total.Conclusion The incidence of hepatitis C in Beibei district stays at a comparatively high level,and the intravenous drug using is associated with higher risk of infection of hepatitis C.Therefore,drug users,as the vulnerable population,deserves more strengthened preventive measures.