Table 1.

Characteristics of subjects with systemic sclerosis (SSc) (2003–2008).

CharacteristicIncidence Cohort Subjects n (%)Prevalence Cohort Subjects n (%)
SSc (overall)1529 (100.0)2739 (100.0)
Year
  2003226 (14.8)656 (24.0)
  2004220 (14.4)725 (26.5)
  2005232 (15.2)757 (27.6)
  2006304 (19.9)918 (33.5)
  2007278 (18.2)966 (35.2)
  2008269 (17.6)1076 (39.3)
Age, yrs
  18–44430 (28.1)732 (26.7)
  45–64916 (59.9)1682 (61.4)
  65+183 (12.0)325 (11.9)
Sex
  Female1297 (84.8)2357 (86.1)
  Male232 (15.2)382 (14.0)
Medications (1 Year postindex)
  Methotrexate152 (9.9)246 (9.0)
  Cyclosporine10 (0.7)13 (0.5)
  Cyclophosphamide39 (2.6)75 (2.7)
  Mycophenolate mofetil67 (4.4)132 (4.8)
  Corticosteroids707 (46.2)1213 (44.3)