Fig. 1From: Effects of postoperative administration of celecoxib on pain management in patients after total knee arthroplasty: study protocol for an open-label randomized controlled trialEnrollment: flow diagram of the trial design. Abbreviations: TKA, total knee arthroplasty; OA, osteoarthritis; RA, rheumatoid arthritis; PCA, patient-controlled analgesiaBack to article page