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目的分析甘肃省庆阳市乙型肝炎流行病学特征,为制定预防控制策略提供依据。方法采用描述性流行病学方法,分析2005─2013年庆阳市乙型肝炎疫情资料。结果共报告乙型肝炎26 633例,年均发病率122.43/10万,发病率2009年最高152.06/10万,2013年最低60.01/10万;男性年均发病率143.22/10万,女性年均发病率100.72/10万,男女发病性别比为1.48∶1;20~29岁年龄组发病率最高212.73/10万,0~9岁年龄组发病率最低14.90/10万;职业构成以农民最多,占69.13%。结论庆阳市乙型肝炎发病率较高,自2012年开始较前有明显降低,发病以青壮年男性农民为主;应针对青壮年农民、学生等高危人群制定相应的防控策略,以降低乙型肝炎的发病率。
Objective To analyze the epidemiological characteristics of hepatitis B in Qingyang City, Gansu Province, and provide evidence for the development of prevention and control strategies. Methods Descriptive epidemiological methods were used to analyze the epidemiological data of hepatitis B in Qingyang from 2005 to 2013. Results A total of 26 633 cases of hepatitis B were reported with an average annual incidence of 122.43 / lakh. The highest incidence was 152.06 / lakh in 2009 and the lowest was 60.01 / lakh in 2013. The average annual incidence of males was 143.22 / lakh, The incidence of 100.72 / 100000, male to female incidence of sex ratio of 1.48:1; the highest incidence of 212.73 / 100000 in the age group of 20 to 29 years, the lowest incidence of 14.90 / 100000 in the age group of 0 to 9 years; occupational composition to farmers up, Accounting for 69.13%. Conclusions The incidence of hepatitis B in Qingyang City is relatively high. Since the beginning of 2012, the incidence of hepatitis B has been significantly reduced. The incidence is dominated by young and middle-aged male peasants. Corresponding prevention and control strategies should be formulated for high-risk groups such as young farmers and students, Hepatitis B incidence.