Table 1

Demographic and clinical characteristics

Variable
Value (n = 115)

Females
108 (93.9)
Limited cutaneous systemic sclerosis
84 (73)
Autoantibody

     Antinuclear antibody without specific pattern
19 (16.5)
     Anticentromere antibody
44 (38.3)
     Antitopoisomerase I antibody
50 (43.5)
Age at onset (years)
43.4 ± 12.6
Mean follow-up (years)
14.6 ± 8.7
Forced viral capacity <70% predicted
27 (23.4)
Diffusing capacity for carbon monoxide <70% predicted
82 (71.4)
Right systolic ventricular pressure ≥ 40 mmHg
22 (19.1)
Oesophageal involvement
110 (96.2)
Past history of digital ulcers
63 (54.7)

Data presented as n (%) or as the mean ± standard deviation.

Beretta et al. Arthritis Research & Therapy 2008 10:R103   doi:10.1186/ar2495

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