Fig. 1From: 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 periodPatient screening and enrollment flowchart. BMI body mass index, IPACK infiltration between the popliteal artery and the capsule of the knee, NRS numerical rating scale, PMDI periarticular multimodal drug injection, TKA total knee arthroplastyBack to article page