【摘要】 目的 运用Meta分析法探讨中国人群饮茶与食管癌患病的关系。 方法 全面检索相关文献，剔除不符合要求的文献，应用STATA7.0软件对各研究结果进行一致性检验，选择固定效应模型或随机效应模型，以比值比(OR)为饮茶与食管癌患病关系的统计量，计算合并OR值及其95%CI。 结果 共18篇文献被纳入，一致性检验Q=89.718，P<0.01，饮茶的合并OR值为0.638(95%CI为0.505～0.807)。 结论 饮绿茶可能是中国人群食管癌的保护性因素。

    【关键词】 因素分析，统计学;食管肿瘤

    Meta analysis on the association between green tea consumption and esophageal cancer in Chinese popu-lation

    WANG Jian-ming，XU Biao，JIANG Qing-wu.

    Department of Epidemiology，School of Public Health，Fudan University，Shanghai 200032，China

    【Abstract】 Objective To study the association between green tea consumption and esophageal cancer in Chinese population.Methods Odds ratios(OR)of green tea consumption were analyzed.All the relevant studies were identified.The software STATA7.0was applied for investigating heterogeneity and a fixed effect model or random effect model was selected with combined OR and95%CI calculated.Results 18studies were included.According to the test for heterogeneity ......