2.2. Study design
knee arthroplasty, TKA, patellofemoral arthroplasty
This was a sub-study of a prospective, randomized, double-blind placebo-controlled study.Demographics and preoperative characteristics of the patients.Sex, tourniquet use, and TKA/PFA are presented as counts.ASA = American Society of Anesthesiologist score, BMI = Body Mass Index, CR = controlled-release, ER = extended-release, F = female, M = male, NRS = numeric rating scale, PFA = patellofemoral arthroplasty, TKA = total knee arthroplasty.