For categorical data the relative risk (RR), risk difference (RD) and number needed to treat (NNT) with 95% confidence intervals (CI) were calculated.

对分类数据计算相对危险度(RR)，风险差(RD)和需治疗人数(NNT)及其95%可信区间(CI)。

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All outcomes were analysed using relative risk (RR) and 95% confidence intervals (95% CI).

所有结局使用相对危险度(RR)和95%可信区间(95% CI)来进行分析。

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Dichotomous outcomes are reported as relative risk (RR) and measurements on continuous scales are reported as mean differences (WMD) with 95% confidence intervals (CI).

二分式结果以相对风险性报告，连续标度的测量结果以95%可信区间均值标准差报告。

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