Baseline characteristics of patients.
| Whole Cohort, n = 639, mean (SD) or % | N (% missing) | Patients with Complete Information, n = 326, mean (SD) or % | |
|---|---|---|---|
| Women, % | 87 | 0 | 89 |
| Age, yrs | 55.6 (12.2) | 0 | 55.6 (12.2) |
| CES-D (range 0–60) | 14.3 (10.5) | 17 (3.0) | 13.9 (10.3) |
| Diffuse disease | 42 | 0 | 41 |
| Disease duration, yrs | 14.1 (11.9) | 14 (2.2) | 14.8 (12.4) |
| SDAI overall score (range 0–10) | 1.9 (1.5) | 301 (47) | 1.9 (1.5) |
| SDAI components | |||
| Modified Rodnan skin score > 14 | 29 | 16 (3) | 29 |
| Scleredema | 51 | 6 (1) | 53 |
| Worsening skin | 11 | 52 (8) | 9 |
| Digital necrosis | 10 | 8 (1) | 10 |
| Worsening vascular symptoms | 18 | 11 (2) | 14 |
| Arthritis | 11 | 0 | 10 |
| Diminished DLCO | 63 | 146 (23) | 63 |
| Worsening cardiopulmonary symptoms | 8 | 10 (2) | 9 |
| ESR > 30 mm/h | 26 | 142 (22) | 24 |
| Hypocomplementemia | 12 | 125 (20) | 10 |
CES-D: Center for Epidemiologic Studies — Depression Scale; SDAI: Scleroderma Disease Activity Index; DLCO: carbon monoxide diffusing capacity; ESR: erythrocyte sedimentation rate.