Table 1.
SSc patient and healthy volunteer characteristics a
| SSc | Diffuse SSc | Limited SSc | Healthy subjects | |
|---|---|---|---|---|
| ( n = 60) | ( n = 36) | ( n = 24) | ( n = 38) | |
| Age (yr) | 57.0 ± 1.4 | 55.7 ± 1.8 | 58.2 ± 2.2 | 44.3 ± 2.4 |
| Sex | F46/M14 | F27/M9 | F21/M3 | F26/M12 |
| Disease duration (yr) | 8.7 ± 1.2 | 5.4 ± 1.0 | 13.8 ± 2.2 | NA |
| mRSS | 13.4 ± 1.5 | 18.5 ± 2.0 | 5.3 ± 0.8 | NA |
| Raynaud’s phenomenon | 60 | 36 | 24 | NA |
| Early diseaseb | 31 | 24 | 7 | NA |
| Deceased | 1 | 0 | 1 | NA |
| Digital ulcers | 18 | 14 | 4 | NA |
| Teleangectasias | 38 | 21 | 17 | NA |
| Gastrointestinal disease | 53 | 31 | 20 | NA |
| ILD | 30 | 21 | 8 | NA |
| PAH | 18 | 8 | 9 | NA |
| Renal involvement | 5 | 3 | 2 | NA |
aILD, Interstitial lung disease; mRSS = Modified Rodnan skin score (0 to 51); PAH, Pulmonary arterial hypertension; SSc, Scleroderma. bEarly disease: Less than 5 years. Data are mean ± SEM or raw numbers.