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Table 1 Clinical and ultrasonic features of SSc patients

From: Ultrasound assessment of skin thickness and stiffness: the correlation with histology and clinical score in systemic sclerosis

Features HC (N = 22) lcSSc (N = 22) dcSSc (N = 22)
Female, n (%) 15 (68.2) 16 (72.7) 14 (63.6)
Age, years 47.7 ± 11.7 50.6 ± 15.0 49.6 ± 11.7
Disease durationa, years 4.2 ± 3.7 2.6 ± 2.5
mRSS 6.0 ± 3.6 18.9 ± 9.6
TST at finger (IQR), mm 1.00 (0.90–1.10) 1.40 (1.20–1.52) 1.45 (1.20–1.70)
TST at hand (IQR), mm 1.00 (0.98–1.10) 1.25 (1.00–1.50) 1.40 (1.30–1.60)
TSE at finger (IQR), kPa 24.8 (20.3–28.8) 67.2 (39.1–92.0) 82.7 (58.5–131.5)
TSE at hand (IQR), kPa 25.7 (22.4–28.8) 31.6 (24.0–41.7) 46.9 (34.4–71.9)
  1. SSc systemic sclerosis, dcSSc diffuse cutaneous SSc, lcSSc limited cutaneous SSc, HC healthy control, mRSS modified Rodnan skin score, TST total skin thickness, TSE total skin elasticity, IQR interquartile range
  2. *Plus-minus values are means ± SD
  3. aDisease duration was calculated from the onset of the first non-Raynaud’s phenomenon