Fig. 2From: Local infiltration of analgesia and sciatic nerve block provide similar pain relief after total knee arthroplastyPost-operative pain (numeric rating scale) after total knee arthroplasty. Data are expressed as mean ± SD and are analyzed using the independent Student’s t test. * indicates significant differences between LIA and SNB (P < 0.05). LIA local infiltration of analgesia, SNB sciatic nerve blockBack to article page