Table 1. Demographic and clinical characteristics of patients with SSc.

Age, mean ± SD (years)	56.5 ± 12.1
Male	4 (19.1%)
Female	17 (80.9%)
lSSc subset	13 (61.9%)
dSSc subset	8 (38.1%)
Disease duration, mean ± SD (years) §	7.7 ± 4.1
ANA	21 (100%)
Anti-Scl70	7 (33.3%)
ACA	10 (47.6%)
Digital ulcers	12 (57.1%)
Early NVC pattern	4 (19.1%)
Active NVC pattern	8 (38.1%)
Late NVC pattern	9 (42.9%)
Skin score, mean ± SD	10.2 ± 6.3
ILD #	11 (52.4%)
CYC treatment	13 (61.9%) ¥

ACA, anticentromere antibodies; ANA, antinuclear antibodies; Anti-Scl70, anti-Scl70 antibodies; CYC, cyclophosphamide; dSSc, diffuse cutaneous systemic sclerosis; ILD, interstitial lung disease; lSSc, limited cutaneous systemic sclerosis; NVC, nailfold videocapillaroscopy; SSc, systemic sclerosis.

Except where indicated otherwise, values are the absolute number and percentage of patients.

^§Disease duration was calculated since the first non-Raynaud’s symptom of SSc.

^#Determined by high-resolution computed tomography scan.

^¥Eight patients with lSSc and five patients with dSSc.