2006-2014年湖南省戊型病毒性肝炎流行病学特征分析

目的 了解2006-2014年湖南省戊型病毒肝炎(下简称“戊肝”)的流行特征和规律,为戊肝的防治提供参考依据。 方法 收集2006-2014年中国疾病预防控制信息系统中的《传染病报告信息系统》报告的戊肝病例数据。利用Excel2003、ArcGIS(10.2)软件分析戊肝的发病情况,并通过时间、地区、年龄、性别和职业等因素描述性分析戊肝的分布和流行病学特征。 结果 2006-2014年湖南省累计报告病例7 124例,年均发病率1.22/10万人,发病率呈上升趋势。男女性别比为2.95:1,各年龄段均有发病,以40~岁发病数最多(1 836例,占25.77%)。职业分布中,农民发病人数最多,发病3 858例,占54.15%。各市(州)均有发病,发病率最高的是怀化市,最低的是娄底市。 结论 2006-2014年湖南省戊肝发病率总体呈上升趋势,重点发病人群主要是中老年农民,主要集中在湖南省北部和西部地区,应进一步加强戊肝的监测和综合防控工作。

Epidemiological characteristics of hepatitis E in Hunan Province, 2006-2014

Objective To analyze the epidemiologic features of hepatitis E in Hunan Province, and to provide evidence for its prevention and control. Method The data of hepatitis E cases in Hunan Province from 2006 to 2014 were collected from the Infectious Diseases Reporting Information System of China Information System of Disease Prevention and Control. The distribution and epidemic characteristics of hepatitis E were analyzed by Excel 2003 and ArcGIS(10.2) softwares. Results A total of 7,124 hepatitis E cases were reported in 2006-2014, with an average annual incidence rate of 1.22/100,000. Overall, the incidence showed an upward trend. The ratio of male cases to females was 2.95:1. The cases distributed among all age groups, with the most cases (25.77%) in the 40-years group. As for occupational distribution, the peasants ranked the first, with 3,858 cases and accounting for 54.15%. With regard to the regional distribution, Huaihua City had the highest incidence, while Loudi City had the lowest. Conclusions The incidence of hepatitis E in Hunan Province in 2006-2014 shows an upward trend. Most of the hepatits E cases are peasants aged ≥40years, and mainly cluster in the northern and western parts of Hunan Province. It is necessary to strengthen the monitoring and comprehensive prevention and control of hepatitis E.