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病毒性肝炎由于传染性强、感染途径广、发病率高。一直是疾病控制的重点病种。为了解我市病毒性肝炎流行和分布特征,对1959～1998年肝炎疫情资料进行了统计分析。1 资料来源 资料来自海阳市1959～1998年的疫情数据及统计局的人口资料。2 结果与分析2.1 发病强度 1959～1998年全市病毒性肝炎发病8972例,死亡14例,年发病率波动在11.71～112.28/10万,年均发病率为36.57/10万,病死率为0.17％。60～80年代每隔6～7年出现一次流行高峰,70年代上升明显,自80年代后期发病有下降趋势。 为便于分析,将40年的疫情数据按每10年为一个阶段进行统计。见表1。
Viral hepatitis due to highly contagious, wide range of infection, the incidence of high. Has been the focus of disease control disease. In order to understand the epidemic and distribution characteristics of viral hepatitis in our city, the statistical analysis of hepatitis epidemic data from 1959 to 1998 was conducted. 1 Data sources The data are from the epidemic data of Haiyang from 1959 to 1998 and the population data of the Bureau of Statistics. 2 Results and Analysis 2.1 The incidence of 1959 to 1998 the city’s incidence of viral hepatitis 8972 cases, 14 cases of death, the annual incidence of fluctuations in the 11.71 ~ 112.28 / 100,000, the average annual incidence was 36.57 / 100,000, the case fatality rate was 0.17% . The epidemic peak occurred every six to seven years from the 1960s to the 1980s, with an obvious rise in the 1970s and a decreasing trend since the late 1980s. For the sake of analysis, the 40-year epidemic data are counted as one stage every 10 years. See Table 1.