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目的分析灌云县2005—2012年乙型肝炎流行特征。方法从中国疾病预防控制信息系统中导出2005—2012年乙肝病例数据,进行描述流行病学分析。结果 2005—2012年灌云县共发生乙肝832例,总发病率为9.89/10万,发病率呈下降趋势。男性多于女性,性别比为3.24∶1,差异有统计学意义(χ2=196.28,P<0.01)。15～50岁人群,农民、学生、民工等是主要发病人群。结论灌云县乙肝发病率低于全省平均水平,并呈下降趋势。
Objective To analyze the epidemiological characteristics of hepatitis B in Guanyun County from 2005 to 2012. Methods The data of hepatitis B cases from 2005 to 2012 were derived from China CDC information system to describe the epidemiological analysis. Results A total of 832 cases of hepatitis B were found in Guanyun County from 2005 to 2012, with a total incidence of 9.89 / 100 000 and a decreasing trend. More men than women, the sex ratio was 3.24: 1, the difference was statistically significant (χ2 = 196.28, P <0.01). 15 to 50-year-olds, peasants, students, migrant workers, etc. are the main groups of patients. Conclusion The incidence of hepatitis B in Guanyun County is lower than the average level of the province and shows a decreasing trend.