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Table 2 Spearman correlation coefficients between change in mRSS and the three patient-reported anchors

From: Minimal Clinically Important Differences for the Modified Rodnan Skin Score: Results from the Scleroderma Lung Studies (SLS-I and SLS-II)

  Overall Diffuse SSc Limited SSc
Health transition 0.19 (p = 0.007) 0.21 (p = 0.02) − 0.03 (p = 0.81)
n = 187 n = 115 n = 72
PtGA 0.21 (p = 0.004) 0.20 (p = 0.02) 0.11 (p = 0.33)
n = 195 n = 118 n = 77
HAQ-DI 0.24 (p = 0.0002) 0.26 (p = 0.001) 0.10 (p = 0.34)
n = 243 n = 146 n = 97
  1. HAQ-DI Health Assessment Questionnaire Disability Index, mRSS modified Rodnan Skin Score, PtGA Patient Global Assessment, SSc systemic sclerosis