ocr: Figure 4 Prevalence of Endoscopically Observed Gastroduodenal Ulcers after Six Months of Treatment in Patients with Rheumatoid Arthritis 16 14. : 12 10- 8- 6- - * - a 2- - Celebrex Diclofenac SR 200 mg BID 75 mg BID Significantly different from Celebrex; p<0.001