Demographic, clinical, and serological characteristics in a cohort of 229 patients with rheumatoid arthritis.
| Characteristic | |
|---|---|
| Sex (%) | |
| Women | 187 (82) |
| Men | 42 (18) |
| Age at diagnosis, yrs, median (range) | 62 (20–87) |
| Duration of disease, yrs, median (range) | 6.3 (0.1–54) |
| Erosive disease, n (%) | 160 (70) |
| HAQ score, median (range)* | 0.88 (0–3.0) |
| Extraarticular manifestations*, n (%) | 34 (16) |
| IgM RF-positive*, n (%) | 173 (77) |
| CRP > 100 mg/dl*, n (%) | 123 (56) |
| HLA-DR1/HLA-DR4*, n (%) | 164 (74) |
| Smoking*, n (%) | 124 (60) |
| Nutrition*, n (%) | |
| Below normal | 36 (17) |
| Above normal | 61 (28) |
| Hypertension*, n (%) | 54 (24) |
| Diabetes, n (%) | 16 (7.0) |
| MTX treatment, n (%) | 184 (80) |
| Anti-TNF-α drugs, n (%) | 31 (14) |
↵* Data not available on all patients. HAQ: Health Assessment Questionnaire; RF: rheumatoid factor; CRP: C-reactive protein; HLA: human leukocyte antigen; MTX: methotrexate; TNF-α: tumor necrosis factor-α.