Table 9

Comparison of demographic, clinical, and serological data for the present series with similar data from other, non-European countries

Present series Steen, et al,24Arthritis Rheum, 1988 Chandran, et al,25 Aust New Z J Med, 1995 Kuwana, et al,26Arthritis Rheum, 1994
Number of patients2903971159-150 2759-151
Women (%)84838486
Limited/diffuse/overlap SSc1.5/1/00.9/1/06/1/1.67 : 5.7 : 3
Mean age at onset534241
Raynaud's phenomenon (%)929698
Digital pitting (%)626625
Telangiectasia (%)6782
Calcinosis (%)2639
Joint involvement (%)666433
Scleroderma renal crisis (%)01
  • 9-150 SSc was classified in three groups: dc-SSc, lc-SSc, and SSc in overlap.

  • 9-151 SSc was classified in three groups related to the autoantibody profile: dc-SSc, lc-SSc, and SSc in overlap.