Fig. 7From: Comparison of the postoperative analgesic effect for infiltration between the popliteal artery and the capsule of the posterior knee and that of periarticular multimodal drug injection in total knee arthroplasty: retrospective study in the immediate postoperative periodComparison of total volume of patient-controlled analgesia between two groups. *P < 0.05. IPACK infiltration between the popliteal artery and the capsule of the knee, PMDI periarticular multimodal drug injectionBack to article page