Table 1 Baseline demographic characteristics of patients enrolled in the GENISOS cohort
Characteristic | Baseline value |
|---|---|
Age (years) | 48.63 (± 13.5) |
Ethnicity | Â |
   White | 125 (46.99%) |
   Hispanic | 77 (28.95%) |
   African American | 54 (20.3%) |
   Other | 10 (3.76%) |
Female sex | 221 (83.08%) |
Current smoker | 49 (18.42%) |
Ever smoker | 134 (50.38%) |
Disease duration (years)a | 2.53 (± 1.63) |
Limited skin involvement | 110 (41.35%) |
Autoantibodies | Â |
   Antinuclear antibodies | 254 (95.49%) |
   Anti-centromere antibodies | 32 (12.03%) |
   Anti-topoisomerase antibodies | 49 (18.42%) |
   Anti-RNA polymerase III | 61 (22.93%) |
   Anti-U1-ribonucleoprotein | 30 (11.28%) |
   Anti-Ro | 10 (3.8%) |
   Anti-fibrillarin | 28 (10.69%) |
Percentage predicted forced vital capacity | Â |
   > 80% | 132 (58.15%) |
   50 to 80% | 81 (35.68%) |
   < 50% | 14 (6.17%) |