Fig. 6From: Analgesic efficacy of adding the IPACK block to multimodal analgesia protocol for primary total knee arthroplasty: a meta-analysis of randomized controlled trialsFunnel plots a funnel plot of publication bias for the surgery length; b funnel plot of publication bias for the morphine consumption; c funnel plot of publication bias for the TUG; and d funnel plot of publication bias for the pain (at ambulation);Back to article page