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Table 2 Inter-rater agreement scores for mRSS and durometry, at each evaluated skin area

From: Durometry as an alternative tool to the modified Rodnan’s skin score in the assessment of diffuse systemic sclerosis patients: a cross-sectional study

Skin area Durometry score agreement
(investigator 1 vs investigator 2)
mRSS agreement
(investigator 1 vs investigator 2)
ICC 95% CI Kappa 95% CI
Face 0.89 (0.82; 0.94) 0.65 (0.50; 0.80)
Thorax 0.98 (0.97; 0.99) 0.60 (0.45; 0.74)
Abdomen 0.99 (0.98; 0.99) 0.54 (0.37; 0.71)
Arm R 0.91 (0.97; 0.99) 0.70 (0.58; 0.83)
Arm L 0.97 (0.94; 0.98) 0.56 (0.42; 0.70)
Forearm R 0.97 (0.95; 0.98) 0.75 (0.62; 0.87)
Forearm L 0.97 (0.95; 0.98) 0.71 (0.57; 0.84)
Hand R 0.95 (0.91; 0.97) 0.66 (0.52; 0.79)
Hand L 0.96 (0.94; 0.98) 0.72 (0.60; 0.84)
Finger R 0.90 (0.83; 0.94) 0.76 (0.64; 0.89)
Finger L 0.88 (0.79; 0.93) 0.76 (0.63; 0.89)
Thigh R 0.98 (0.97; 0.99) 0.57 (0.43; 0.71)
Thigh L 0.97 (0.95; 0.98) 0.54 (0.39; 0.69)
Leg R 0.93 (0.89; 0.96) 0.67 (0.53; 0.81)
Leg L 0.92 (0.87; 0.96) 0.66 (0.52; 0.79)
Foot R 0.94 (0.90; 0.97) 0.76 (0.64; 0.88)
Foot L 0.95 (0.92; 0.97) 0.79 (0.68; 0.90)
  1. mRSS modified Rodnan’s skin score, ICC Intraclass Correlation Coefficient, CI confidence interval, R right, L left, Kappa Weighted Cohen’s Kappa coefficient