Table 1. Clinical and serologic characteristics of African American patients with systemic sclerosis and healthy controls.
| Systemic Sclerosis N (%) |
Controls N (%) |
|
|---|---|---|
| Gender | ||
| Male | 64 (16.9%) | 217 (52.8%) |
| Female | 315 (83.1%) | 194 (47.2%) |
| Skin involvement | ||
| Limited SSc | 166 (43.8%) | |
| Diffuse SSc | 188 (49.6%) | |
| Autoantibodies | ||
| Anti-centromere | 44 (11.6%) | |
| Anti-topoisomerase I | 107 (28.2%) | |
| Pulmonary Arterial Hypertensiona | 73 (19.3%) | |
| Interstitial Lung Diseaseb | 114 (30.1%) |
a
Pulmonary arterial hypertension on right heart catheterization
b
Pulmonary fibrosis on computed tomography of chest