Table 2. Continued
A = acetaminophen; BID = twice daily; CEL = celecoxib; COD = codeine; D = diclofenac; ENT = ears, nose, and throat; H = hydrocodone; I = ibuprofen; IM = intramuscular; IV = intravenous; K = ketorolac; M = meloxicam; NAP = naproxen; NIM = nimesulide; PAR = parecoxib; PCA = patient-controlled analgesia; PLC = placebo; R = rofecoxib; THA = total hip arthroplasty; TID = three times daily; TKA = total knee arthroplasty; V = valdecoxib; =, <, > denote statistically no different, lesser, or greater.