Fig. 5From: 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-analysisSubgroup meta-analysis and meta-regression analysis based on the 24-h VAS scores at rest (CI: confidence interval; Pre-op: preoperative; and Post-op: postoperative)Back to article page