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Table 1 SSc patient and healthy volunteer characteristics

From: Lipoic acid plays a role in scleroderma: insights obtained from scleroderma dermal fibroblasts

  SSc Diffuse SSc Limited SSc Healthy subjects
(n = 60) (n = 36) (n = 24) (n = 38)
Age (years) 57.0 ± 1.4a 55.7 ± 1.8 58.2 ± 2.2 44.3 ± 2.4
Sex F46/M14 F27/M9 F21/M3 F26/M12
Disease duration (years) 8.7 ± 1.2 5.4 ± 1.0 13.8 ± 2.2 N.A.b
mRSSc 13.4 ± 1.5 18.5 ± 2.0 5.3 ± 0.8 N.A.
Raynaud’s 60 36 24 N.A.
Early diseased 31 24 7 N.A.
Deceased 1 0 1 N.A.
Digital ulcers 18 14 4 N.A.
Teleangectasias 38 21 17 N.A.
Gastrointestinal disease 53 31 20 N.A.
ILDe 30 21 8 N.A.
PAHf 18 8 9 N.A.
Renal involvement 5 3 2 N.A.
  1. aMean ± SEM; bN.A. = Not applicable; cmRSS = modified Rodnan skin score (0–51); dEarly disease = less than 5 years; eInterstitial lung disease; fPulmonary arterial hypertension.