Table 1

Demographic and clinical characteristics of the 60 patients with SSc used for collection of serum samples
Characteristic Systemic sclerosis (SSc) patients
Age, years, median (range) 56 (24 to 73)
Sex,
 Male 4 (6.7)
 Female 56 (93.3)
Disease subset,
 lcSSc 37 (61.7)
 dcSSc 23 (38.3)
Disease duration, years, median (range)a 7 (1 to 17)
Autoantibody positivity,
 ANA 56 (93.3)
 Anti-Scl-70 20 (33.3)
 ACA 25 (41.7)
Digital ulcers 25 (41.7)
Nailfold videocapillaroscopy pattern,
 Early 21 (35.0)
 Active 24 (40.0)
 Late 15 (25.0)
Skin score, median (range)b 10 (3 to 41)
Interstitial lung diseasec 24 (40.0)

Except where indicated otherwise, values are the number (%) of subjects. aDisease duration was calculated since the first non-Raynaud’s symptom of SSc; bmodified Rodnan skin thickness score; cdetermined by high-resolution computer tomography. ACA, anticentromere antibodies; ANA, antinuclear antibodies; Anti-Scl-70, anti-Scl-70 antibodies; dcSSc, diffuse cutaneous SSc; lcSSc, limited cutaneous SSc.

Manetti et al.

Manetti et al. Arthritis Research & Therapy 2013 15:R165   doi:10.1186/ar4349

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