Table 1 Inter-observer agreement of the morphological findings for the 111 primary tumor sites
Morphological and enhancement pattern | Reader 1 | Reader 2 | Matched cases between reader 1 &2 | K | 95% CI | P value | Percent agreement |
|---|---|---|---|---|---|---|---|
Discrete nodular enhancement. | 53 | 56 | 47 | 0.730 | 0.603–0.857 | < 0.001* | 86.5% |
Definite progressive mass. | 25 | 13 | 12 | 0.564 | 0.369–0.760 | < 0.001* | 87.39% |
New or enlarging discrete nodule/ mass | 34 | 40 | 19 | 0.273 | 0.087–0.458 | 0.004* | 67.57% |
Deep ill-defined enhancement. | 63 | 24 | 21 | 0.247 | 0.116–0.378 | 0.001* | 59.46% |
Deep, ill-defined soft tissue mass. | 59 | 19 | 14 | 0.135 | 0.004–0.266 | 0.049* | 54.95% |
Focal mucosal non-mass like enhancement. | 16 | 6 | 4 | 0.309 | 0.05–0.568 | < 0.001* | 87.39% |
No enhancement. | 14 | 12 | 11 | 0.826 | 0.658–0.993 | < 0.001* | 96.4% |
Diffuse linear mucosal enhancement. | 31 | 30 | 24 | 0.706 | 0.56–0.856 | < 0.001* | 88.3% |
Non-mass like tissue distortion. | 67 | 49 | 41 | 0.402 | 0.242–0.562 | < 0.001* | 69.37% |
Low density mucoid mucosal edema. | 22 | 22 | 14 | 0.546 | 0.350–0.743 | < 0.001* | 85.6% |