以下为句子列表:
英文: Relative risk (RR) was used as a measure of the effect of folic acid supplementation on the risk of stroke with a random effect model.
中文: 采用相对危险度(RR)的大小,作为衡量叶酸补充治疗在降低卒中发生危险有效性的指标。
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英文: Homogeneity showed that random effect model should be selecte d to calculate the pooling relative risk(RR)and its corresponding9%confide nce interval(9%CI).
中文: 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)。
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