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目的通过分析即墨市乙型病毒性肝炎(乙肝)监测结果,显示我市的乙肝流行趋势,为控制乙肝流行提供参考。方法总结统计分析我市1998～2006年的乙肝病历资料。结果1998～2006年,我市共计发生乙肝病例785例,发病率为0.08‰,男女发病之比为2.69:1,男性发病高于女性(χ2=157.87,P<0.01)。年龄分布:发病率以20岁年龄组最高为0.14‰(χ2=290.25,P<1.01),其次为30岁年龄组,发病率为0.10‰。职业分布:公务员和事业单位工作人员发病率最高为2.76‰(P<0.01),其次为农民0.44‰及工人0.32‰。地区分布:以平原地区发病率最高为0.10‰,其次为丘陵及山区(χ=20.25,P<0.10)。时间分布:自1998年发病率逐年上升,至2001年发病率达高峰(1.13‰),以后逐年下降。季节分布:每年发病以夏秋季较多,占29.94%。结论应重视我市的乙肝流行特点,把防治重点放在公务员和20～30岁年龄组上。
Objective By analyzing the monitoring results of Hepatitis B virus (Hepatitis B) in Jimo city, we can find out the epidemic trend of Hepatitis B in our city and provide a reference for controlling the epidemic of Hepatitis B. Methods Statistical analysis of the city from 1998 to 2006 in Hepatitis B medical records. Results From 1998 to 2006, a total of 785 hepatitis B cases were detected in our city, with a prevalence of 0.08 ‰ and a ratio of male to female of 2.69: 1. The incidence of male was higher than that of female (χ2 = 157.87, P <0.01). Age distribution: The morbidity was 0.14 ‰ (χ2 = 290.25, P <1.01) in the 20-year-old age group, followed by the 30-year-old age group, the incidence was 0.10 ‰. Occupation distribution: the highest incidence of civil servants and institutions staff 2.76 ‰ (P <0.01), followed by farmers 0.44 ‰ and workers 0.32 ‰. Regional distribution: the highest prevalence in the plains was 0.10 ‰, followed by hills and mountains (χ = 20.25, P <0.10). Time Distribution: The incidence has risen year by year since 1998, reaching a peak (1.13 ‰) in 2001 and declining year by year thereafter. Seasonal distribution: annual incidence in summer and autumn more, accounting for 29.94%. Conclusions Should pay attention to the city of hepatitis B epidemic characteristics, the prevention and treatment focused on civil servants and 20 to 30 age group.