| Diffuse scleroderma | 6/11 |
| Limited scleroderma | 5/11 |
| Pulmonary hypertension | 4/11 |
| History of digital ulcers | 5/11 |
| Time of endurance in minutes (ergospirometry) | 5':32” (±65”) |
| Diffusion capacity (%pred) | 82±15 |
| Pulmonary fibrosis | 7/11 |
| VE/VCO2 (mean values ± sd) | 32±5 |
| Patterns of capillaroscopy | 1/11 normal 1/11 early 4/11 active 5/11 late |