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Fig 1.

Flow chart of literature search strategies.

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Table 1.

Patient characteristics of included studies and patients.

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Fig 2.

Risk of bias assessment diagram.

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Table 2.

Results of the meta-analysis.

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Table 2 Expand

Fig 3.

Forest plot of the meta-analysis for DGF.

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Table 3.

Results of the subgroup analysis.

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Fig 4.

Funnel plot for DGF.

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