Fig. 8From: Combined femoral and sciatic nerve block versus femoral and local infiltration anesthesia for pain control after total knee arthroplasty: a meta-analysis of randomized controlled trialsThe forest plot comparing sciatic nerve block (SNB) and placebo in terms of morphine consumption at 24 and 48 h after TKA. An inverse variance fixed-effects model was used. Mean differences with 95% CIs are reported. WMD weighted mean differenceBack to article page