Table 1 Demographic and clinical characteristics of 71 SSc patients.

Age at the time of evaluation, mean (SD)	57.6 (11)
Sex, F (%)	61 (83.6)
Age at disease onset, mean (SD)	45.1 (12.5)
Disease duration at the time of evaluation, mean (SD)	13.7 (12.3)
Skin involvement, n (%)	70 (98.6)
Limited SSc, n (%)	1 (1.4)
Limited cutaneous SSc, n (%)	38 (53.5)
Diffuse SSc, n (%)	32 (45.1)
Karnofsky index score, mean (SD)	80 (9)
Raynaud's syndrome, n (%)	69 (97.2)
Pitting scars, n (%)	40 (56.3)
Digital ulcers, n (%)	18 (25.3)
Calcinosis	32 (45.1)
Inter‐incisor distance (mm), mean (SD)	34.9 (7.6)
Gastrointestinal tract involvement, n (%)	62 (87.3)
Arthralgias, n (%)	55 (77.5)
Myalgias, n (%)	47 (66.2)
Dyspnoea (nYHA), mean (SD)	1.90 (0.75)
Interstitial lung disease, n (%)	20 (28.2)
Pulmonary arterial hypertension, n (%)	5 (7)
Renal crisis, n (%)	5 (7)

SSc, systemic sclerosis; SD, standard deviation; F, female; n, number; NYHA, New York Heart Association.