Table 1.

Clinical, demographic, and immunological data in 947 patients. Data are number (%) unless otherwise indicated.

Characteristic
Age at disease onset, mean (± SD), yrs42.6 (14.1)
Disease duration, mean (± SD), yrs12.9 (8.5)
Followup period, mean (± SD), yrs9.6 (7.7)
Race
  White838 (88.5)
  African Brazilian109 (11.5)
Clinical variant
  Limited712 (75.2)
  Diffuse235 (24.8)
  Sine scleroderma79 (8.3)
mRSS < 20635 (67.1)
  ≥ 20312 (32.9)
Calcinosis162 (17.1)
Telangiectasia464 (49.0)
Ulcers235 (24.8)
Osteoarticular involvement*452 (47.7)
Esophageal (hypomotility and/or GERD)897 (94.7)
Interstitial lung disease (ILD)538 (56.8)
Pulmonary hypertension (PH)221 (23.3)
ILD + PH132 (13.9)
Heart111 (11.7)
Renal crisis25 (2.6)
Antinuclear antibodies839 (88.6)
Anticentromere antibody209 (22.1)
Anti-Scl70152 (16.1)
  • * Inflammatory polyarthralgia or polyarthritis. mRSS: modified Rodnan skin score; GERD: gastroesophageal reflux disease.