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目的分析海门市2005—2012年病毒性肝炎流行趋势,为制定防治策略和措施提供依据。方法整理分析海门市2005—2012年病毒性肝炎疫情资料,通过发病率线形回归模型,估计病毒性肝炎发病率的年度变化百分比(APC)。结果 8年间海门市病毒性肝炎中未分型肝炎的发病率呈下降趋势(P<0.01),APC为-21.10%;戊型肝炎的发病率呈上升趋势(P<0.05),APC为23.49%。病毒性肝炎以35~49岁为发病高峰年龄,男女性别比为2.54∶1,各型病毒性肝炎均以农民和工人发病为主(73.92%),存在季节分布差异。结论免疫接种等综合性的防治措施是控制病毒性肝炎疫情的有效方法,同时需要加强病毒性肝炎的分型报告和戊型肝炎的监测和预警工作。
Objective To analyze the epidemic trend of viral hepatitis in Haimen from 2005 to 2012 and provide the basis for making prevention and cure strategies and measures. Methods The data of epidemic situation of viral hepatitis in Haimen from 2005 to 2012 were analyzed and analyzed, and the annual percentage change of incidence of viral hepatitis (APC) was estimated by linear regression model of incidence. Results The incidence of undifferentiated hepatitis in Haimen was decreased (P <0.01) and the APC was -21.10% in 8 years. The incidence of hepatitis E increased (P <0.05), and APC was 23.49% . The peak age of onset of viral hepatitis was 35-49 years. The sex ratio of men to women was 2.54: 1. The incidence of viral hepatitis in both types was mainly peasant and worker (73.92%), with seasonal differences. Conclusions Comprehensive prevention and control measures such as immunization are effective methods to control the outbreak of viral hepatitis. At the same time, it is necessary to strengthen the classification report of viral hepatitis and the monitoring and early warning of hepatitis E.