Table 1.

Clinical data and serum 25-hydroxyvitamin D (25OHD) levels of patients with systemic sclerosis (SSc; n = 137) [limited type (n = 76, 55.5%); diffuse type (n = 61, 44.5%)].

Characteristic
25OHD*, median (range), ng/ml13.1 (4.1–47.8)
  < 10 ng/ml49 (137/35.8%)
  ≥ 10 < 30 ng/ml74 (137/54%)
  ≥ 30 ng/ml14 (137/10.2%)
Male/female18/119 (13.1%/86.9%)
Age, yrs, mean ± SD56 ± 13.6
Antibodies (%)
  No antibodies22 (16.1)
  ANA without specific antibodies30 (21.9)
  Anticentromere58 (42.3)
  SCL-7027 (19.7)
Digital ulcers (%)
  No ulcers103 (75.2)
  Active ulcers17 (12.4)
  History of ulcers17 (12.4)
Kidney disease (%)
  Yes4 (2.9)
  No133 (97.1)
GERD (%)
  Yes73 (53.3)
  No64 (46.7)
Lung fibrosis (%)
  Yes73 (53.3)
  No64 (46.7)
Modified Rodnan skin score, mean ± SD10.1 ± 7.3
Body mass index, median (range)24 (13–43)
Treatment (%)
  No therapy55 (40.1)
  MTX or azathioprine14 (10.2)
  Corticosteroids17 (12.4)
  Corticosteroids plus MTX or azathioprine14 (10.2)
  Other therapy or combination37 (27.1)
  • * Excluding 4 cases with 25OHD levels < 4 ng/ml. GERD: gastroesophageal reflux disease; MTX: methotrexate; ANA: antinuclear antibody.