胆囊癌合并胆结石的发生率为46 7%，胆囊癌伴发胆囊结石的相对危险度为13 7。
Gallstones were found in 46 7% of the cases of gallbladder cancer, the related risk (RR) of gallbladder cancer with gallstones was 13 7.
根据资料一致性检验，采用随机效应模型(D - L法)计算合并相对危险度(RR)及其9%的可信区间(9% CI)。
Homogeneity showed that random effect model should be selected to calculate the pooling relative risk (rr) and its corresponding9%confide nce interval (9%ci).
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