Fig. 4From: Is changing the postoperative pain management in total knee arthroplasty from femoral nerve block to local infiltration analgesia successful? Retrospective trial with the first and last 100 patientsThis graph shows the different additional consumption of the non-opioid medication for the first 6 postoperative days between both groups. Results are expressed as number of patients in percentage. p values were determined by Mann-Whitney U test, p < 0.05*)Back to article page