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目的了解洪泽县乙型肝炎(乙肝)的流行特征,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,对洪泽县2005～2011年乙型肝炎疫情资料进行分析。结果 2005～2011年洪泽县累计报告乙型肝炎病例698例,年平均发病率26.58/10万,男性发病率为41.48/10万,女性发病率为11.82/10万,男女发病性别比为3.47:1。以40～44年龄组发病率最高(40.98/10万),其次为35～39岁年龄组(30.49/10万),0～15岁年龄组发病率最低(1.10/10万)。职业构成以农民为多,占62.75%,工人次之,占8.6%。结论洪泽县乙型肝炎的发病率变化不大,发病以青壮年男性农民为主。应制定针对青壮年、农民等乙肝高发人群的免疫方案,进一步提高重点人群乙肝疫苗预防接种率,降低乙型肝炎的发病率。
Objective To understand the epidemiological characteristics of hepatitis B (hepatitis B) in Hongze County and provide a scientific basis for the development of control strategies. Methods Descriptive epidemiological methods were used to analyze the epidemiological data of hepatitis B in Hongze County from 2005 to 2011. Results A total of 698 cases of hepatitis B were reported in Hongze County from 2005 to 2011, with an average annual incidence of 26.58 / 100 000. The incidence of males was 41.48 / 100 000, the incidence of females was 11.82 / 100 000, and the sex ratio of males and females was 3.47 :1. The highest incidence rate was 40.98 / 100000 in 40-44 years old group, followed by 30.49 / 100000 in 35-39 years old group, and the lowest in the 0-15 years old group (1.10 / 100000 cases). Occupation constituted more peasants, accounting for 62.75%, followed by workers, accounting for 8.6%. Conclusions The incidence of hepatitis B in Hongze County has not changed much, and the incidence is mainly dominated by young and middle-aged male farmers. Should be developed for young adults, peasants and other high-risk groups of hepatitis B immunization programs to further enhance the key population hepatitis B vaccination rate and reduce the incidence of hepatitis B.