1991-2007年盐都区病毒性肝炎流行趋势分析

目的]了解盐都区病毒性肝炎流行状况，为制定防治策略提供科学依据。方法]用SPSS12．0软件对1991～2007年盐都区病毒性肝炎疫情资料进行统计分析。结果]盐都区1991-2007年共报告病毒性肝炎15606例，年均发病率为100．83／10万。随着年份的增加，发病率下降经趋势性卡方检验差异有统计学意义（P〈0．01）。男女性别间发病率的差异有统计学意义（P〈0．01）。17年间甲型肝炎得到了有效控制；乙型肝炎发病数自1998年开始下降明显。近年来戊型肝炎发病数和疾病构成比上升。结论]盐都区采取的以疫苗接种为主导的综合性防治措施取得了良好的效果，但仍需加强成人急性病毒性肝炎防治；继续在农民等弱势群体推广甲、乙肝疫苗接种，加强急性病毒性肝炎的分型和病人管理工作。

Analysis of the Epidemic Trend of Viral Hepatitis in Yandu District from 1991 to 2007

Objective]To understand the epidemic situation of viral hepatitis in Yandu district provide a scientific basis for making prevention strategies, Methods]Epidemic data of viral hepatitis in Yandu district from 1991 to 2007 were statistically analyzed with software SPSS 12.0. Results]15 606 cases of viral hepatitis were reported in Yandu district from 1991 to 2007,the annual yearly incidence rate was 100.83/100 000. The morbidity decreased year after year. There was a difference of the incidence in different years by chi-square test（ P 〈0. 01）. There was a difference of the incidence in male and female（ P d0. 01）. Hepatitis A has been effectively controlled over the past 17 years. The cases of hepatitis B decreased since 1998. While in recent years,the incidence of hepatitis E increased. Conclusion]Comprehensive control measures with the main preventive measure of immunization were taken and good effect was obtained. Prevention and control of acute viral hepatitis in adults must be strengthened. Vaccination of hepatitis A and B for farmers must be carried out continuously. The classification of viral hepatitis and management for the patients must be strengthened.