Table 2 League table of pairwise comparisons regarding in-hospital mortality.

From: Efficacy and safety of liver support devices in acute and hyperacute liver failure: a systematic review and network meta-analysis

  1. Values are given as relative risk (95% credible interval). The colour of the boxes indicates the comparisons’ overall risk of bias assessment (green: low risk of bias, yellow: some concerns, red: high risk of bias). The number of ⊕ symbols refer to the quality of evidence according to the GRADE approach (⊕ ⊕  ⊕  ⊕ high quality, ⊕  ⊕  ⊕ ◯ moderate quality, ⊕  ⊕ ◯◯ low quality, ⊕ ◯◯◯ very low quality).
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