北京市临床诊断SARS病例的流行病学调查资料初步分析

目的 分析北京临床诊断SARS病例流行病学资料。方法 利用SPSS软件，结合北京市2000年人口数，进行临床诊断SARS病例流行病学特征的描述和分析。结果 确诊SARS的发病率为1．04／万，死亡率为5．75／百万。病死率为5．42％。20—29岁年龄组发病率最高，医务人员(27．8％)发病比例最高，男女发病率差异不大。有明确接触史的占38．1％。结论 家庭内传播和医院内传播是病例迅速上升的主要原因，控制传染源后疫恃得到有效控制。

Preliminary study on epidemiology of probable SARS patients in Beijing

Objective To analyse epidemiological data of probable SARS patients in Beijing. Methods Kpidemio-logical distribution of probable SARS patients was studied by SPSS software, combined with population data of 2002 year in Beijing. Results Incidence rate of probable SARS patients was 1. 04 per ten thousand, mortality was 5. 75 per million, fatality was 5. 42% . Incidence rate of 20 -29 age - years group was highest. Medical workers were the most population in probable SARS patients. There was no different in incidence rale of sex. 38. 1 % of probable SARS patients had clear contact history. Conclusion Family transmission and hospital transmission are major routes of SARS spread. Epidemic situation can be contained after the source of infection had been controlled.