2005～2013年聊城市乙型病毒性肝炎流行特征分析

Analysis on epidemiological features of hepatitis B,Liaocheng city,2005-2013

目的分析聊城市乙型肝炎发病现状和流行病学特征,为制定控制策略提供科学依据。方法采用描述性流行病学方法对2005~2013年聊城市乙肝疫情资料进行分析。结果 2005~2013年聊城市累计报告乙肝病例28 485例,年均发病率为55.11/10万（28 485/57 336 264）。2005~2013年各年度报告发病率波动在30.49/10万~143.86/10万,差异有统计学意义（P〈0.01）;无明显季节性分布;东阿县发病率最高143.86/10万（5 228/3 634 032）。发病年龄以15~59岁为主,发病数占发病总数的85.34%（24 309/28 485）;不同年龄组发病率不同（P〈0.01）。男性年均发病率为70.82万/10万（18 393/25 970 842）,女性年均发病率为39.25/10万（10 092/25713 602）,男性发病高于女性（P〈0.01）。全部病例中,农民占68.34%（19 467/28 485）。结论 2005年以来聊城市乙肝发病呈上升趋势,青壮年和农民是乙肝防治的重点人群。

Objective To analyze the epidemiological characteristics of hepatitis B in Liaocheng city,so as to provide scientific basis for strategies for its control. Methods The data of hepatitis B from 2005 to 2013were analyzed by descriptive epidemiological method. Results A total of 31 082 Hepatitis B cases were reported in Liaocheng city from 2005to2013,with the average annual incidence rate of 55.11/105.The incidence rate was different from 2005 to 2013（30.49/105-143.86/105,P 0.01）.The incidence rate was the highest in Dong＇e county（143.86/105）.85.34% of patients were people aged 15-59 years old,and the incidence rate in different age groups was different（P 0.01）.The incidence rate in males was higher than that in females（P 0.01）.The farmers accounted for 62.63% of all cases. Conclusion Since2005,the incidence rate of hepatitis B has been rising,and the young and middle-aged adults and the farmers are the key groups for prevention and countrol.