Table 2.
Performance of Models of the KRAS mutation prediction in testing cohorts
| Model | AUC | Sensitivity | Specificity | |
|---|---|---|---|---|
| Radiomics model | 0.82 | 0.7 | 0.85 | |
| ResNet model | ||||
| Axial directions | ROI only | 0.9 | 0.65 | 0.83 |
| ROI + 10 pixels | 0.9 | 0.67 | 0.83 | |
| ROI + 20 pixels | 0.93 | 0.59 | 1 | |
| ROI + 30 pixels | 0.72 | 0.67 | 0.63 | |
| Coronal direction | ROI only | 0.75 | 0.79 | 0.56 |
| ROI + 10 pixels | 0.71 | 0.83 | 0.46 | |
| ROI + 20 pixels | 0.58 | 0.45 | 0.7 | |
| ROI + 30 pixels | 0.51 | 0.7 | 0.28 | |
| Sagittal directions | ROI only | 0.72 | 0.56 | 0.8 |
| ROI + 10 pixels | 0.69 | 0.61 | 0.65 | |
| ROI + 20 pixels | 0.61 | 0.58 | 0.57 | |
| ROI + 30 pixels | 0.54 | 0.89 | 0.13 | |