Demographic features of patients with SSc and of controls
| Systemic sclerosis | Controls | ||
|---|---|---|---|
| Diffuse | Limited | ||
| *Median (range). | |||
| TSS, total skin score; ACA, anticentromere antibody. | |||
| Number (female) | 8 (7) | 8 (7) | 16 (8) |
| Age (years) | 45 (26–67)* | 52 (33–68)* | 44 (27–70)* |
| Duration ⩽1 year | 8 | 5 | |
| Duration ⩽2 years | 3 | ||
| TSS (points) | 27 (12–32) | 7 (4–19) | |
| Anti-topoisomerase-1 | 4 | 1 | |
| ACA | 1 | 4 | |