近海海产品与甲型肝炎关系的病例对照研究

Case-control study on relationship between hepatitis A and seamost products

目的 探讨甲型肝炎流行的食源性危险因素。方法 采用 1∶1配比的病例对照研究方法 ,共调查 12 6例急性甲型肝炎患者和 12 6例对照 ,计算OR及OR的 95 %可信限。结果 生食蚬子、牡蛎、夹板虾和街头烧烤是引起甲肝流行的主要食源性因素。

Objective A 1∶1 case-control study was carried out to asses the dietary factors of epidemic hepatitis A.Methods 126 cases of acute hepatitis A and 126 controls wre interviewed.Odds ratios and their 95% confidence limits were computed.Results Eating raw and roast corbicula leana,oyster,and Jiaban shrimp were the dietary factor of hepatitis A.Conclusion The department concerned should enhance the sanitary administration and hepatitis A virus monitoring of seamost products such as shell and crust.