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为了掌握白城市31年间病毒性肝炎疫情动态,我们对全市的病毒性肝炎疫情资料进行整理、统计分析。一、统计资料归纳本市病毒性肝炎报告始于1959年,31年的报告表记载3981例,平均发病率为33.20/10万(几何均数),其中有18年发病率高于平均发病率,占58.06%。二、流行病学分析 1、31年间出现5次高峰,即:1959年、1965年、1976年、1981年～1982年、1989年,各高峰年发病率分别为109.00/10万,153.70/10万、66.25/10万、111.69/10万、123.12/10万。按以上流行规律,1969年左右应出现1次流
In order to grasp the epidemic situation of viral hepatitis in Baicheng City in the past 31 years, we sorted and statistically analyzed the data of the epidemic situation of viral hepatitis in the whole city. I. Statistical data The report on the incidence of viral hepatitis in the city started in 1959, with 3981 cases in the 31 years’ report with an average incidence rate of 33.20 / 100,000 (geometric mean), of which 18 were higher than the average incidence , Accounting for 58.06%. Epidemiological Analysis There were five peaks in the first 31 years, that is, the annual incidence rates of each peak in 1959, 1965, 1976, 1981 ~ 1982, and 1989 were 109.00 / 100,000 and 153.70 / 10 respectively Million, 66.25 / 100,000, 111.69 / 100,000, 123.12 / 100,000. According to the above prevailing laws, there should be 1 flow around 1969