目的 分析2014—2023年江西省石城县乙型病毒性肝炎(简称乙肝)流行特征,为科学防控乙肝提供数据支持。方法 采用描述性流行病学方法,分析石城县乙肝流行趋势和分布特征。结果 2014—2023年石城县共报告乙肝病例3 528例,以慢性乙肝为主,占95.75%(3 378/3 528),年均发病率为123.37/10万,各年度报告发病率在109.67/10万~140.66/10万之间(${X}_{趋势}^{2}$=23.833,P=0.005)。男性发病率(170.13/10万)高于女性(70.84/10万)(χ²=569.920,P<0.001),男女性别比2.70∶1;发病年龄以20~69岁为主,占90.56%(3 195/3 528);发病人群以农民为主,占71.34%(2 517/3 528);报告病例数居前3位的乡镇分别为琴江镇(1 323例,占37.50%)、横江镇(485例,占13.75%)和屏山镇(375例,占10.63%),合计占61.88%。结论 2014—2023年石城县乙肝发病率较高,需进一步推进重点人群的乙肝防治工作。

Objective To analyze the epidemic characteristics of hepatitis B in Shicheng County of Jiangxi Province from 2014 to 2023,and to provide data support for the scientific prevention and control of hepatitis B. Methods The descriptive epidemiological method was used to analyze the epidemic trend and distribution characteristics of hepatitis B in Shicheng County. Results From 2014 to 2023,a total of 3 528 cases of hepatitis B were reported in Shicheng County,mainly chronic hepatitis B,accounting for 95.75% (3 378/3 528).The average annual incidence rate was 123.37/100 000,and the annual reported incidence rate ranged from 109.67/100 000 to 140.66/100 000 (${X}_{trend}^{2}$=23.833,P=0.005).The incidence rate of male (170.13/100 000) was higher than that of female(70.84/100 000)(χ²=569.920,P<0.001),and the ratio of male to female was 2.70∶1.The age of onset was mainly between 20 and 69 years old,accounting for 90.56% (3 195/3 528).The majority of the affected population was farmers,accounting for 71.34% (2 517/3 528).The top three towns with reported cases were Qinjiang Town (1 323 cases,accounting for 37.50%),Hengjiang Town (485 cases,accounting for 13.75%),and Pingshan Town (375 cases,accounting for 10.63%),accounting for a total of 61.88%. Conclusion From 2014 to 2023,the incidence rate of hepatitis B in Shicheng County is relatively high.It is necessary to further promote the prevention and treatment of hepatitis B among key groups.