Fig. 11From: iPACK block (local anesthetic infiltration of the interspace between the popliteal artery and the posterior knee capsule) added to the adductor canal blocks versus the adductor canal blocks in the pain management after total knee arthroplasty: a systematic review and meta-analysisForest plot of hospital stays (CI: confidence interval; ACB: ultrasound-guided adductor canal blocks; and iPACK: ultrasound-guided local anesthetic infiltration of the interspace between popliteal artery and the capsule of posterior knee)Back to article page