Fig. 4

a and b Incidence of adverse events per organ system in the comparison of COX2 selective inhibitors versus traditional NSAIDs in patients with ankylosing spondylitis: meta-analyses of seven randomized clinical trials. Subtitle: (1) Celecoxib 400 mg vs diclofenac 75 mg. (2) Celecoxib 200 mg vs diclofenac 75 mg (3) Celecoxib 400 mg vs naproxen 500 mg. (4) Celecoxib 200 mg vs ketoprofen 200 mg. (5) Celecoxib 400 mg vs diclofenac 75 mg. (6) Etoricoxib 90 mg vs naproxen 1000 mg. (7) Celecoxib 200 mg vs diclofenac 75 mg. (8) Celecoxib 200 mg vs diclofenac 50 mg (9) Celecoxib 400 mg vs diclofenac 75 mg. (10) Celecoxib 200 mg vs diclofenac 75 mg. (11) Celecoxib 400 mg vs naproxen 500 mg. (12) Celecoxib 200 mg vs ketoprofen 200 mg. (13) Celecoxib 400 mg vs diclofenac 75 mg. (14) Etoricoxib 90 mg vs naproxen 1000 mg. (15) Celecoxib 200 mg vs diclofenac 75 mg (16) Celecoxib 200 mg vs ketoprofen 200 mg. (17) Celecoxib 200 mg vs diclofenac 75 mg. (18) Celecoxib 400 mg vs naproxen 500 mg. (19) Celecoxib 200 mg vs ketoprofen 200 mg. (20) Celecoxib 400 mg vs diclofenac 75 mg. (21) Etoricoxib 90 mg vs naproxen 1000 mg. (22) Celecoxib 200 mg vs diclofenac 75 mg. (23) Celecoxib 200 mg vs diclofenac 50 mg (24) Celecoxib 400 mg vs naproxen 500 mg. (25) Celecoxib 200 mg vs ketoprofen 200 mg (26) Celecoxib 200 mg vs diclofenac 75 mg. (27) Celecoxib 200 mg vs diclofenac 50 mg