Table 1.
Main demographic, clinical, and serological features of 1755 SSc patients.
| Demographic | N | % |
|---|---|---|
| Sex Males | 186 | 10.6 |
| Age mean (SD) | 58.7 ± 13.4 | |
| Dis dur yrs mean (SD) | 8.8 ± 7.3 | |
| Clinical | ||
| Limited cutaneous SSc | 1139 | 64.9 |
| Diffuse cutaneous SSc | 616 | 35.1 |
| Teleangectasias | 1037 | 59.1 |
| Calcinosis | 207 | 11.8 |
| Digital ulcers | 399 | 19.3 |
| Esophageal inv. | 834 | 47.5 |
| Sicca syndrome | 573 | 32.6 |
| Lung inv. | 547 | 31.2 |
| Heart inv. | 473 | 26.9 |
| Renal inv. | 311 | 17.7 |
| Serological | ||
| ANA test - no (%) | 1699 | 96.8 |
| anti-Scl70 - no (%) | 711 | 40.5 |
| ACA - n (%) | 875 | 49.9 |
Legend: SSc: systemic sclerosis; Dis Dur: disease duration: ANA: anti-nuclear antibodies; ACA: anti-centromere antibodies.