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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 epidemiological characteristics of hepatitis C (Hepatitis C) in Beibei area in recent years and explore the risk factors of hepatitis C infection. Methods A descriptive epidemiological analysis of hepatitis C outbreak in Beixing district from 2006 to 2011 was conducted. Results A total of 360 hepatitis C cases were reported in 6 years, with an annual incidence of 6.32 / 100,000 to 14.53 / 100,000, with an average of 10.02 / 100,000. No obvious season peak. The incidence of urban areas is 16.97 / 100,000, 3.01 times that of rural areas. The top 5 incidences are Dongyang, Tianfu, Chaoyang, North Hot Springs and natural areas. HIV infection rates are also high in areas with a high incidence. The cases were mainly young and middle-aged people aged 25-49. The incidence rate of males was 13.86 / 100,000, which was significantly higher than that of females. The incidence of domestic workers and unemployed persons was the highest, accounting for 64.72% of the total. Conclusion The incidence of hepatitis C in Beibei district is high, and the high incidence of hepatitis C is closely related to the drug abuse in intravenous injection. Behavioral intervention should be intensified for drug addicts and the quality of epidemic reporting should be improved.