Table 1.
Demographic and disease characteristics of 650 patients with SSc
| Characteristics | |
|---|---|
| Female, N (%) | 486 (74,8) |
| Age, years; mean (SD), range | 59.4 (11.4), 18–87 |
| Education level, N (%) | |
| 0–12 years | 443 (68.2) |
| > 12 years | 207 (31.8) |
| Living alone, N (%) | 117 (18.0) |
| Paid employment (%) | 245 (37.7) |
| Disease subtype (%) | |
| Limited | 227 (34.9) |
| Diffuse | 132 (20.3) |
| Subtype unknown | 291 (44.8) |
| Disease duration, years; N (SD), rangea | 8.2 (8.0), 0–51 |
| Mean time between onset and diagnosis, years; N (SD)a | 4.3 (6.9) |
| Women | 4.8 (5.1) |
| Men | 2.5 (7.3) |
aDue to missing values, N = 646