Models | Training sets | Testing sets | ||||||
---|---|---|---|---|---|---|---|---|
AUC (95% CI) | ACC | SEN | SPE | AUC (95% CI) | ACC | SEN | SPE | |
T2WI | ||||||||
Tumor | 0.841 (0.779–0.904) | 0.791 | 0.778 | 0.818 | 0.820 (0.715–0.926) | 0.760 | 0.706 | 0.875 |
Peritumoral 3 mm | 0.775 (0.702–0.847) | 0.733 | 0.684 | 0.836 | 0.786 (0.669–0.903) | 0.720 | 0.647 | 0.875 |
Peritumoral 5 mm | 0.795 (0.724–0.866) | 0.762 | 0.761 | 0.764 | 0.783 (0.664–0.903) | 0.720 | 0.783 | 0.833 |
Peritumoral 7 mm | 0.795 (0.727–0.862) | 0.762 | 0.798 | 0.680 | 0.755 (0.624–0.886) | 0.787 | 0.898 | 0.577 |
DWI | ||||||||
Tumor | 0.791 (0.718–0.865) | 0.773 | 0.829 | 0.650 | 0.771 (0.664–0.879) | 0.680 | 0.608 | 0.833 |
Peritumoral 3 mm | 0.810 (0.743–0.876) | 0.738 | 0.727 | 0.764 | 0.734 (0.623–0.846) | 0.613 | 0.451 | 0.958 |
Peritumoral 5 mm | 0.745 (0.666–0.825) | 0.750 | 0.812 | 0.618 | 0.725 (0.605–0.844) | 0.600 | 0.451 | 0.917 |
Peritumoral 7 mm | 0.803 (0.733–0.873) | 0.720 | 0.65 | 0.873 | 0.696 (0.567–0.826) | 0.720 | 0.725 | 0.708 |
T + 3 mm T2WI | 0.851 (0.790–0.912) | 0.797 | 0.795 | 0.800 | 0.837 (0.733–0.940) | 0.813 | 0.784 | 0.875 |
T + 5 mm T2WI | 0.865 (0.807–0.923) | 0.780 | 0.701 | 0.945 | 0.818 (0.710–0.926) | 0.733 | 0.647 | 0.917 |
T + 7 mm T2WI | 0.830 (0.765–0.896) | 0.750 | 0.667 | 0.927 | 0.811 (0.702–0.921) | 0.747 | 0.706 | 0.833 |
T + 3 mm DWI | 0.784 (0.710–0.860) | 0.744 | 0.752 | 0.727 | 0.768 (0.659–0.877) | 0.693 | 0.627 | 0.833 |
T + 5 mm DWI | 0.781 (0.705–0.856) | 0.721 | 0.786 | 0.691 | 0.767 (0.657–0.877) | 0.707 | 0.647 | 0.833 |
T + 7 mm DWI | 0.779 (0.703–0.855) | 0.750 | 0.761 | 0.727 | 0.765 (0.655–0.874) | 0.707 | 0.647 | 0.833 |
T (T2WI) + T(DWI) | 0.867 (0.810–0.924) | 0.802 | 0.829 | 0.746 | 0.836 (0.741–0.931) | 0.760 | 0.706 | 0.875 |
T + T + 3 mm T2WI | 0.868 (0.809–0.915) | 0.800 | 0.803 | 0.817 | 0.846 (0.753–0.940) | 0.808 | 0.784 | 0.833 |