Baseline characteristics of the 238 patients included in the study and the 125 patients with radiographs available both at baseline and at 10 years.
| All Patients, n = 238 | Patients with 10-yr followup Radiographs, n = 125 | |
|---|---|---|
| Female, % | 73.5 | 75.2 |
| Mean (SD) disease duration, yrs | 2.3 (1.2) | 2.2 (1.2) |
| Mean (SD) age, yrs | 51.9 (13.0) | 50.7 (12.7) |
| Anti-CCP-positive, % | 60.5 | 59.2 |
| IgM RF positive, % | 47.9 | 44.0 |
| Mean (SD) HAQ score | 0.9 (0.6) | 0.9 (0.6) |
| Erosive disease, % | 55.2* | 54.4 |
| Mean (SD) progression rate at baseline, SHS units/yr | 2.9 (4.6)* | 3.1 (5.0) |
| DMARD use, % | 52.1 | 52.8 |
| Steroid use, % | 25.1 | 25.5 |
↵* n = 163.