Baseline demographic, clinical and immunological characteristics of RA patients included in the study.

Values are mean ± sd unless otherwise indicated. *values are reported as mean ± sd (median).
RA = rheumatoid arthritis; TNF = tumor necrosis factor; DMARDs = disease modified anti-rheumatic drugs; CRP = C-reactive protein; ESR =  erythrocyte sedimentation rate; DAS =  disease activity score; HAQ = Health Assessment Questionnaire; CCP = cyclic citrullinated protein; RF =  rheumatoid factor; MCV =  modified citrullinated vimentin.