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目的分析2011-2013年内蒙古自治区甲型、戊型病毒性肝炎流行病学特征,为甲型、戊型病毒性肝炎防控策略制定提供参考。方法用Excel软件和集中度法对甲型和戊型肝炎进行描述流行病学分析。结果甲肝发病率由1.22/10万下降到1.20/10万;戊肝发病率由0.48/10万上升到0.76/10万;阿拉善盟以甲型肝炎流行为主,其余各盟市呈混合流行;计算2011-2013年M值在0.187~0.327,甲型和戊型肝炎季节性发病不明显,两型肝炎均以成人发病为主;农民、家务人员、工人和退休人员为主要的发病人群。结论甲肝和戊肝流行呈低水平,戊肝发病率的升高与诊断水平提高有关。
Objective To analyze the epidemiological characteristics of type A and type V hepatitis in Inner Mongolia Autonomous Region from 2011 to 2013 and provide reference for the prevention and control strategies of Type A and Type V viral hepatitis. Methods Descriptive epidemiological analysis of hepatitis A and E using Excel software and concentration method. Results The incidence of hepatitis A decreased from 1.22 / 100 000 to 1.20 / 100 000; the incidence of hepatitis E increased from 0.48 / 100 000 to 0.76 / 100 000; Alashan was dominated by Hepatitis A and the rest of the cities were mixed . The calculated M values ranged from 0.187 to 0.327 from 2011 to 2013. The seasonal incidence of type A and E hepatitis was not obvious. Both types of hepatitis were predominantly adults. Peasants, household workers, workers and retirees were the main incidence groups. Conclusions The prevalence of hepatitis A and E is low, and the incidence of hepatitis E is related to the increase of diagnosis.