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[目的]了解近10年长葛市乙肝发病水平及流行特征,为制定和完善防制对策提供科学依据。[方法]对长葛市1999～2008年乙肝疫情资料进行分析。[结果]1999～2008年长葛市累计报告乙肝4498例,年发病率24.36/10万～124.45/10万,年均66.72/10万,总体状况呈上升趋势。发病无明显季节性。年均发病率辖区东部为75.57/10万,西部为53.11/10万(P<0.01);男性为85.05/10万,女性为47.48/10万(P<0.01);0～9岁、10～19岁、20～29岁、30～39岁、40～49岁、50～59岁、60～69岁、70～79岁和≥80岁分别为10.97/10万、37.47/10万、105.77/10万、79.56/10万、81.37/10万、113.35/10万、67.97/10万、45.79/10万、13.44/10万(P<0.01)。4498例病人中,农民占74.99%,学生占7.69%,其他占17.32%。[结论]长葛市乙肝发病率呈上升趋势,男性、青壮年、农民是高发人群。
[Objective] To understand the prevalence and epidemiological characteristics of hepatitis B in Changge City in the recent 10 years and provide a scientific basis for formulating and perfecting prevention and control measures. [Method] The epidemiological data of hepatitis B in Changge from 1999 to 2008 were analyzed. [Results] A total of 4498 cases of hepatitis B were reported in Changge from 1999 to 2008, with an annual incidence of 24.36 / 100000 to 124.45 / 100000, with an average annual 66.72 / 100000. The overall status showed an upward trend. No significant seasonal onset. The average annual incidence was 75.57 / lakh in the area of jurisdiction and 53.11 / lakh in the west (P <0.01), 85.05 / lakh in males and 47.48 / lakh in females (P <0.01) 19 years old, 20-29 years old, 30-39 years old, 40-49 years old, 50-59 years old, 60-69 years old, 70-79 years old and ≥80 years old were 10.97 / 100000, 37.47 / 100000, 105.77 / 100,000, 79.56 / 100000, 81.37 / 100000, 113.35 / 100000, 67.97 / 100000, 45.79 / 100000, 13.44 / 100000 (P <0.01). Of the 4498 patients, farmers accounted for 74.99%, students accounted for 7.69%, others accounted for 17.32%. [Conclusion] The incidence of hepatitis B in Changge City is on the rise. Men, young adults and peasants are the high incidence population.