Figure 2.
Multivariable ischemic stroke risk (odds ratios and 95% confidence intervals) associated with baseline rheumatoid arthritis (RA) treatment, adjusted for Health Assessment Questionnaire score, total joint replacement, RA duration, and for low-dose aspirin and comorbidity index at baseline. Numbers in parentheses represent the number of patients using that therapy in cases and controls. Analysis included 41 RA patients with ischemic stroke and 791 RA patients without ischemic stroke. Anti-TNF = anti–tumor necrosis factor.