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