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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 prevalence and epidemiological characteristics of hepatitis B in Liaocheng City and provide a scientific basis for the development of control strategies. Methods Descriptive epidemiological methods were used to analyze the epidemic situation of hepatitis B in Liaocheng from 2005 to 2013. Results A total of 28 485 hepatitis B cases were reported in Liaocheng from 2005 to 2013, with an average annual incidence of 55.11 / 100,000 (28 485/57 336 264). The incidence of annual reports from 2005 to 2013 fluctuated between 30.49 / 100,000 and 143.86 / 100,000, with significant difference (P <0.01); no significant seasonal distribution; the highest incidence in Dong’e County was 143.86 / 100,000 228/3 634 032). The age of onset was mainly 15-59 years old, accounting for 85.34% (24/309/28485) of the total number of cases. The incidence rates in different age groups were different (P <0.01). The average annual incidence of males was 708,200 / 100 000 (18 393/25 970 842). The average annual incidence rate of females was 39.25 / 100 000 (10 092/25713 602). The incidence of males was higher than that of females (P 0.01). In all cases, peasants accounted for 68.34% (19 467/28 485). Conclusions The incidence of hepatitis B in Liaocheng City has been on an upward trend since 2005, and young adults and peasants are the key population of hepatitis B prevention and treatment.