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目的确认一起大型豪宴发生食物中毒事件及查因。方法制定统一表格、培训调查人员、用电话对参宴者当餐进食情况进行询问,采用SPSS10·0统计软件处理分析数据。结果对当晚50桌中的246名就餐者进行电话调查,成功访问163人(163/246、应答率66·3%),其中出现胃肠道不适症状的有65人,潜伏期最短2·5h,最长29h,中位数为9h。临床主要表现为腹泻、腹痛、呕吐等消化道症状,部分伴有发热。结论该事件是一起原因不明的食物中毒。
Purpose To confirm food poisoning incidents and charcoals in a large feast. Methods Formulate a unified form, training investigators, telephone interrogation meal eating situation inquiry, using SPSS10 · 0 statistical software to deal with the analysis of data. Results A total of 163 diners (163/246, 66.3% of respondents) were interviewed by 246 diners in the evening of that night. Among them, 65 were gastrointestinal symptoms, the shortest incubation period was 2.5 h, The longest 29h, median 9h. Clinical manifestations of diarrhea, abdominal pain, vomiting and other gastrointestinal symptoms, some accompanied by fever. Conclusion The incident is an unexplained food poisoning.