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Table 2 Comparison of percentage changes in shear-wave velocity values, in each Rodnan site of analysis, observed in SSc patients and controls

From: How much of skin improvement over time in systemic sclerosis is due to normal ageing? A prospective study with shear-wave elastography

Rodnan sites

SSc patients (n = 21)#

Controls (n = 15)#

SSc vs controls (p value)

Chest

− 51.5% (− 55.2 to − 41.7)

− 46.9% (− 50.0 to − 32.0)

NS

Abdomen

− 38.9% (− 58.1 to − 28.7)

− 32.6% (− 43.9 to − 8.2)

NS

Upper arm

− 53.2% (− 60.2 to − 40.7)

− 41.5% (− 48.7 to − 38.8)

0.007

Forearm

− 44.3% (− 57.5 to − 40.7)

− 37.1% (− 52.0 to − 23.3)

NS

Hand

− 33.5% (− 52.6 to − 19.9)

− 26.2% (− 38.6 to − 8.5)

NS

Finger

− 5.3% (− 36.9 to 34.7)

− 24.6% (− 29.8 to − 12.4)

NS

Thigh

− 37.1% (− 45.3 to − 31.2)

− 31.6% (− 37.3 to − 24.0)

NS

Leg

− 25.8% (− 37.8 to − 3.2)

− 10.3% (− 27.3 to − 6.9)

NS

Foot

− 36.4% (− 56.6 to − 29.7)

− 27.1% (− 45.2 to − 14.3)

NS

  1. Statistically significant results are in bold
  2. NS non-significant
  3. #Values are in medians (Q1–Q3)
  4. Mann–Whitney U test