Fig. 2From: Remote ischemic preconditioning and clinical outcomes after pediatric cardiac surgery: a systematic review and meta-analysisRisk of bias assessment of included RCTs on the outcomes duration of mechanical ventilation (A) and length of ICU stay (B). Domains: D1: Bias arising from the randomization process. D2: Bias due to deviations from intended intervention. D3: Bias due to missing outcome data. D4: Bias in measurement of the outcome. D5: Bias in selection of the reported result. Judgement: -: Some concerns, +: Low.Back to article page