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Table 3 Reproducibility of ultrasound measurements

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

Measurements Intraclass correlation coefficient (95% confidential interval)
Intra-observer Inter-observer
TST
 Finger 0.910 (0.865–0.940) 0.901 (0.821–0.947)
 Hand 0.920 (0.880–0.947) 0.937 (0.883–0.966)
TSE
 Finger 0.945 (0.918–0.964) 0.897 (0.813–0.944)
 Hand 0.957 (0.934–0.971) 0.840 (0.718–0.912)
  1. TST total skin thickness, TSE total skin elasticity