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Table 2 Intra-class correlation coefficients for re-reading plaque volume (PV) of 21 plaques with PV < 60 μl and 24 plaques with PV ≥ 60 μl

From: Reproducibility of 3-dimensional ultrasound readings of volume of carotid atherosclerotic plaque

  Reader 1 Reader 2 Reader 3
PV < 60 μl    
Intra-reader variability 0.929 0.783 0.689
Inter-reader variability   0.805  
PV ≥ 60 μl    
Intra-reader variability 0.976 0.960 0.960
Inter-reader variability   0.949