Sources of heterogeneity were explored through subgroup meta-analyses and meta-regression.

另外，运用分组荟萃分析和元回归分析探讨异质性的根源。

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Random-effects model meta-regression analyses were performed to assess sources of intertrial heterogeneity.

进行随机效果模型统合回归分析以评估试验间异质性的来源。

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Test the outcome trials in Prof. Staessen's meta-regression diagram to see if the Asian trials fit into the slope.

使用Staessen教授的荟萃回归分析图对试验结果进行检验，以观察亚洲试验是否与斜率吻合。

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