基于SAS的出入境交通工具食源性疾病暴发流行快速溯源调查研究

Tracing survey based on SAS on food-borne disease outbreaks on entry-exit transport

目的建立基于数据统计分析系统（SAS）的出入境交通工具食源性疾病暴发流行快速溯源调查方法。方法应用4种χ2检验法,结合食源性疾病暴发流行调查样表,分析某口岸国际大型豪华邮轮上暴发的食源性疾病。并采用国际权威的统计分析标准软件SAS分析平台进行编程实现。结果经流行病学快速溯源调查,潜伏期为28.94h,暴露日期估计为2009年9月5日9时33分,鲜奶作为污染食品列为高风险因素,其OR值为9.03（95%CI=2.2~33.63）。结论食源性疾病暴发流行快速溯源调查方法及SAS程序为口岸食源性疾病的防控提供了一种简便、快捷且客观有效的工具。

Objective To explore the tracing survey of food-borne disease outbreaks on entry-exit conveyances. Methods Four kind of chi square tests were employed for the analysis of food-borne disease outbreaks on the passenger liner after using relative epidemical survey tables. All of the procedures were executed by computer based on SAS program. Results The latent period was 28.94 h and exposure date was estimated as 9：33 on Sep. 5, 2009. Fresh milk was recognized as contaminated food, the value of OR was 9.03（95% CI = 2.2-33.63）. Conclusion The tracing survey of food-borne disease outbreaks and relative SAS programs can provide a convenient, quick and effective tool for the prevention and control of food-borne diseases.