Studies included in meta-analysis [posted as supplied by author]

w1. Bensen WG, Fiechtner JJ, McMillen JI, Zhao W, Yu SS, Woods EM, et al. Treatment of osteoarthritis with celecoxib, a cyclooxygenase-2 inhibitor: a randomized controlled trial. Mayo Clin Proc 1999;74:11:1095-105.

w2. Case JP, Baliunas AJ, Block JA. Lack of efficacy of acetaminophen in treating symptomatic knee osteoarthritis: a randomized, double-blind, placebo-controlled comparison trial with diclofenac sodium. Arch Intern Med 2003;163:2:169-78.

w3. Dore R, Ballard I, Constantine G, McDonald P. Efficacy and safety of etodolac and naproxen in patients with osteoarthritis of the knee: a double-blind, placebo-controlled study. Clin Ther 1995;17:4:656-66.

w4. Ehrich EW, Bolognese JA, Watson DJ, Kong SX. Effect of rofecoxib therapy on measures of health-related quality of life in patients with osteoarthritis. Am J Manag Care 2001;7:6:609-16.

w5. Fleischmann RM, Flint K, Constantine G, Kolecki B. A double-masked comparison of Naprelan and nabumetone in osteoarthritis of the knee. Naprelan Study Group. Clin Ther 1997;19:4:642-55.

w6. Gibofsky A, Williams GW, McKenna F, Fort JG. Comparing the efficacy of cyclooxygenase 2-specific inhibitors in treating osteoarthritis: appropriate trial design considerations and results of a randomized, placebo-controlled trial. Arthritis Rheum 2003;48:11:3102-11.

w7. Gottesdiener K, Schnitzer T, Fisher C, Bockow B, Markenson J, Ko A, et al. Results of a randomized, dose-ranging trial of etoricoxib in patients with osteoarthritis. Rheumatology (Oxford) 2002;41:9:1052-61.

w8. Kivitz A, Eisen G, Zhao W, Bevirt T, Recker DP. Randomized placebo-controlled trial comparing efficacy and safety of valdecoxib with naproxen in patients with osteoarthritis. J Fam Pract 2002;51:6:530-7.

w9. Kivitz AJ, Greenwald MW, Cohen SB, Polis AB, Najarian DK, Dixon ME, et al. Efficacy and Safety of Rofecoxib 12.5 mg Versus Nabumetone 1,000 mg in Patients with Osteoarthritis of the Knee: A Randomized Controlled Trial. J Am Geriatr Soc 2004;52:5:666-74.

w10. Lee P, Davis P, Prat A. The efficacy of diflunisal in osteoarthritis of the knee. A Canadian Multicenter Study. J Rheumatol 1985;12:3:544-8.

w11. Lund B, Distel M, Bluhmki E. A double-blind, randomized, placebo-controlled study of efficacy and tolerance of meloxicam treatment in patients with osteoarthritis of the knee. Scand J Rheumatol 1998;27:1:32-7.

w12. McKenna F, Borenstein D, Wendt H, Wallemark C, Lefkowith JB, Geis GS. Celecoxib versus diclofenac in the management of osteoarthritis of the knee. Scand J Rheumatol 2001;30:1:11-8.

w13. McKenna F, Weaver A, Fiechtner JJ, Bello AE, Fort J. COX-2 Specific inhibitors in the management of osteoarthritis of the knee: A placebo-controlled, randomized double-blind study. J Clin Rheum 2001;7:3:151-9.

w14. Schnitzer TJ, Ballard IM, Constantine G, McDonald P. Double-blind, placebo-controlled comparison of the safety and efficacy of orally administered etodolac and nabumetone in patients with active osteoarthritis of the knee. Clin Ther 1995;17:4:602-12.

w15. Scott DL, Berry H, Capell H, Coppock J, Daymond T, Doyle DV, et al. The long-term effects of non-steroidal anti-inflammatory drugs in osteoarthritis of the knee: a randomized placebo-controlled trial. Rheumatology (Oxford) 2000;39:10:1095-101.

w16. Makarowski W, Weaver A, Rubin B, Caldwell J, McMahon FG, Noveck RJ, et al. The efficacy, tolerability, and safety of 1200 mg/d of oxaprozin and 1500 mg/d of nabumetone in the treatment of patients with osteoarthritis of the knee. Clin Ther 1996;18:114-24.

w17. Simon LS, Lanza FL, Lipsky PE, Hubbard RC, Talwalker S, Schwartz BD, et al. Preliminary study of the safety and efficacy of SC-58635, a novel cyclooxygenase 2 inhibitor: efficacy and safety in two placebo-controlled trials in osteoarthritis and rheumatoid arthritis, and studies of gastrointestinal and platelet effects. Arthritis Rheum 1998;41:9:1591-602.

w18. Tannenbaum H, Berenbaum F, Reginster JY, Zacher J, Robinson J, Poor G, et al. Lumiracoxib is effective in the treatment of osteoarthritis of the knee: a 13-week, randomized, double-blind study versus placebo and celecoxib. Ann Rheum Dis 2004.

w19. Uzun H, Tuzun S, Ozaras N, Aydin S, Ozaras R, Dondurmaci S, et al. The effect of flurbiprofen and tiaprofenic acid on serum cytokine levels of patients with osteoarthrosis. Acta Orthop Scand 2001;72:5:499-502.

w20. Weaver A, Rubin B, Caldwell J, McMahon FG, Lee D, Makarowski W, et al. Comparison of the efficacy and safety of oxaprozin and nabumetone in the treatment of patients with osteoarthritis of the knee. Clin Ther 1995;17:4:735-45.

w21. Williams GW, Hubbard RC, Yu SS, Zhao W, Geis GS. Comparison of once-daily and twice-daily administration of celecoxib for the treatment of osteoarthritis of the knee. Clin Ther 2001;23:2:213-27.

w22. Williams PI, Hosie J, Scott DL. Etodolac therapy for osteoarthritis: a double-blind, placebo-controlled trial. Curr Med Res Opin 1989;11:7:463-70.

w23. Zhao SZ, McMillen JI, Markenson JA, Dedhiya SD, Zhao W, Osterhaus JT, et al. Evaluation of the functional status aspects of health-related quality of life of patients with osteoarthritis treated with celecoxib. Pharmacotherapy 1999;19:11:1269-78.