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Table 2 Risk of bias of the included studies

From: Parameters associated with successful weaning of veno-arterial extracorporeal membrane oxygenation: a systematic review

  1. D1 Selection of participants D2 Confounding variables D3 Measurement of exposure D4 Blinding of outcome assessment D5 Incomplete outcome data D6 Selective outcome reporting. Green Low risk of bias Yellow Unclear risk of bias Red High risk of bias