Table 5 Interobserver agreement between the CNN and the radiologists

Axial ADC

CNN

0.410 (SD0.090)

0.515 (SD0.083)

0.443 (SD0.091)

Reader2

0.558 (SD0.085)

–

–

Reader3

0.629 (SD0.078)

0.609 (SD0.079)

–

Axial T2WI

CNN

0.496 (SD0.083)

0.322 (SD0.087)

0.493 (SD0.084)

Reader2

0.584 (SD0.085)

–

–

Reader3

0.702 (SD0.073)

0.546 (SD0.086)

–

Sagittal T2WI

CNN

0.483 (SD0.080)

0.453 (SD0.087)

0.450 (SD0.088)

Reader2

0.722 (SD0.071)

–

–

Reader3

0.598 (SD0.081)

0.624 (SD0.080)

–

Axial CE-T1WI

CNN

0.690 (SD0.073)

0.773 (SD0.064)

0.690 (SD0.073)

Reader2

0.874 (SD0.050)

–

–

Reader3

0.832 (SD0.057)

0.833 (SD0.057)

–

Sagittal CE-T1WI

CNN

0.654 (SD0.074)

0.576 (SD0.078)

0.567 (SD0.083)

Reader2

0.831 (SD0.057)

–

–

Reader3

0.794 (SD0.061)

0.712 (SD0.070)

–

Combined axial T2WI + ADC

CNN

0.335 (SD0.055)

0.412 (SD0.054)

0.339 (SD0.055)

Reader2

0.727 (SD0.070)

–

–

Reader3

0.714 (SD0.069)

0.774 (SD0.063)

–

Combined axial T2WI + CE-T1WI

CNN

0.814 (SD0.059)

0.752 (SD0.067)

0.651 (SD0.076)

Reader2

0.853 (SD0.053)

–

–

Reader3

0.756 (SD0.064)

0.695 (SD0.071)

–

Combined sagittal T2WI + CE-T1WI

CNN

0.604 (SD0.081)

0.453 (SD0.089)

0.609 (SD0.080)

Reader2

0.807 (SD0.060)

–

–

Reader3

0.836 (SD0.055)

0.693 (SD0.069)

–

Combined axial T2WI + ADC + CE-T1WI

CNN

0.550 (SD0.081)

0.469 (SD0.084)

0.486 (SD0.088)

Reader2

0.777 (SD0.067)

–

–

Reader3

0.724 (SD0.070)

0.765 (SD0.065)

–