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Table 3 Inter-observer agreement for assessment of morphological characteristics obtained with the two methods

From: Free-breathing radial 3D fat-suppressed T1-weighted gradient echo (r-VIBE) sequence for assessment of pulmonary lesions: a prospective comparison of CT and MRI

    Visual score   
morphological characteristics Methods observers 1 2 3 4 5 Kappa value P value
Lobulation Standard-dose CT Reader 1 26 0 0 0 21 0.957 <0.0001
   Reader 2 25 0 0 0 22   
  MR imaging with r-VIBE Reader 1 27 0 2 0 18 0.871 <0.0001
   Reader 2 25 0 0 0 22   
Spiculation Standard-dose CT Reader 1 16 0 0 0 31 0.953 <0.0001
   Reader 2 17 0 0 0 30   
  MR imaging with r-VIBE Reader 1 20 0 4 11 12 0.873 <0.0001
   Reader 2 18 1 5 11 12   
Pleural indentation Standard-dose CT Reader 1 23 0 0 0 24 0.957 <0.0001
   Reader 2 22 0 0 0 25   
  MR imaging with r-VIBE Reader 1 28 0 3 10 6 0.948 <0.0001
   Reader 2 28 0 3 10 6   
Bubble-like attenuation Standard-dose CT Reader 1 36 0 0 0 11 1.00 <0.0001
   Reader 2 36 0 0 0 11   
  MR imaging with r-VIBE Reader 1 37 0 2 2 6 0.924 <0.0001
   Reader 2 37 1 3 1 5   
Convergence of vessels Standard-dose CT Reader 1 25 0 0 0 22 0.915 <0.0001
   Reader 2 23 0 0 0 24   
  MR imaging with r-VIBE Reader 1 30 0 0 3 14 0.941 <0.0001
   Reader 2 30 0 0 2 15   
Halo Standard-dose CT Reader 1 43 0 0 0 4 0.846 <0.0001
   Reader 2 44 0 0 0 3   
  MR imaging with r-VIBE Reader 1 45 1 0 0 1 1.00 <0.0001
   Reader 2 45 1 0 0 1   
Cavitation Standard-dose CT Reader 1 42 0 0 0 5 1.00 <0.0001
   Reader 2 42 0 0 0 5   
  MR imaging with r-VIBE Reader 1 42 0 0 0 5 1.00 <0.0001
   Reader 2 42 0 0 0 5   
Calcification Standard-dose CT Reader 1 43 0 0 0 4 0.877 <0.0001
   Reader 2 42 0 0 0 5   
  MR imaging with r-VIBE Reader 1 45 0 0 0 2 1.00 <0.0001
   Reader 2 45 0 0 0 2   
Mediastinal lymph node enlargement Standard-dose CT Reader 1 29 0 0 0 18 1.00 <0.0001
   Reader 2 29 0 0 0 18   
  MR imaging with r-VIBE Reader 1 24 0 1 3 19 0.989 <0.0001
   Reader 2 24 0 1 2 20