Baseline characteristics of 191 patients with early rheumatoid arthritis
| Mean (SD) or No (% of patients) | |
|---|---|
| †IgM positive (%): 69%; ‡RA associated DRB1*04 genes: 0401, 0404, 0405, 0408. VAS, visual analogue score; ESR, erythrocyte sedimentation rate; CRP, C reactive protein; RF, rheumatoid factor; DAS, disease activity score; DMARD, disease modifying antirheumatic drug. | |
| Female (%) | 140 (73) |
| Age (years) | 50.5 (14.7) |
| Mean disease duration (months) | 3.6 (2.6) |
| Pain (100 mm VAS) | 57.5 (22.0) |
| Morning stiffness (min) | 84.9 (79.4) |
| Ritchie index | 17.5 (8.5) |
| Tender joint count | 21.7 (10.5) |
| Swollen joint count | 9.0 (5.9) |
| Nodules (%) | 11 (6) |
| ESR (mm/1st h) | 40.2 (28.5) |
| CRP (mg/l) | 34.1 (43.2) |
| IgM or IgA RF positive (%) | 139 (73)† |
| DAS | 4.1 (0.8) |
| HLA-DRB1*04‡ | 86 (45) |
| HLA-DRB1*01 | 54 (28) |
| Number of DMARDs/patient | 1.7 |