Baseline patient demographics, clinical and functional characteristics
| Male, count (%) | 18 (51) |
| Age, years (mean±SD) | 54±12 |
| Height, cm (mean±SD) | 173±9 |
| Weight, kg (mean±SD) | 80±15 |
| IgM RF positivity, number (%) | 24 (69) |
| Anti-CCP positivity, number (%) | 27 (77) |
| DAS 44 score (mean±SD) | 3.2±1.0 |
| 44-swollen joint count (median (IQR)) | 5 (7) |
| 44-tender joint count (median (IQR)) | 6 (5) |
| CRP, mg/mL (median (IQR)) | 14 (20) |
| ESR, mm/hour (median (IQR)) | 22 (28) |
anti-CCP, anti-cyclic citrullinated peptide; CRP, C reactive protein; DAS, Disease Activity Score; IgM RF, immunoglobulin M rheumatoid factor.