Baseline characteristics of rheumatoid arthritis patients (n = 27) by response to etanercept therapy at six months.

*As determined by EUropean League Against Rheumatism criteria.**Prednisone equivalent.Ever smokers include past and current smokers.There were no significant differences between the two groups (comparison assessed with Mann-Whitney test for independent samples).RF: rheumatoid factor; ACPA: anti-citrullinated protein/peptide antibodies; DAS28: disease activity score based on 28 joint counts; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; DMARDs: disease-modifying anti-rheumatic drugs [include for responders and non responders, respectively: methotrexate (10 and 4), sulfasalazine (1 and 0), hydroxychloroquine (3 and 0), cyclosporine (1 each), leflunomide (0 and 1]; HAQ: Health Assessment Questionnaire; VAS: visual analogue scale.Baseline characteristics of rheumatoid arthritis patients (n = 27) by response to etanercept therapy at six months.