Table 3 Effect of augmentation for volumetric representations (BACC: balanced accuracy, AUC: Area under the ROC curve) on ADNI and AIBL, as well as, the concordance index (c-index) for ADNI.
From: Hippocampal representations for deep learning on Alzheimer’s disease
Repr | Aug | ADNI BACC | ADNI AUC | AIBL BACC | AIBL AUC | c-index |
|---|---|---|---|---|---|---|
FSL | ||||||
Mask | \(\times \) | \(0.766 \pm 0.015\) | \(0.843 \pm 0.016\) | \(0.728 \pm 0.015\) | \(0.813 \pm 0.015\) | \(0.597 \pm 0.036\) |
Mask | \(\checkmark \) | \(0.801 \pm 0.011\) | \(0.869 \pm 0.007\) | \(0.765 \pm 0.016\) | \(0.853 \pm 0.006\) | \(0.623 \pm 0.017\) |
Texture | \(\times \) | \(0.788 \pm 0.021\) | \(0.861 \pm 0.018\) | \(0.753 \pm 0.036\) | \(0.843 \pm 0.014\) | \(0.583 \pm 0.029\) |
Texture | \(\checkmark \) | \(0.819 \pm 0.014\) | \(0.888 \pm 0.007\) | \(0.795 \pm 0.019\) | \(0.870 \pm 0.010\) | \(0.631 \pm 0.028\) |
FreeSurfer | ||||||
Mask | \(\times \) | \(0.787 \pm 0.014\) | \(0.855 \pm 0.014\) | \(0.754 \pm 0.029\) | \(0.828 \pm 0.018\) | \(0.630 \pm 0.029\) |
Mask | \(\checkmark \) | \(0.803 \pm 0.011\) | \(0.879 \pm 0.008\) | \(0.781 \pm 0.012\) | \(0.868 \pm 0.004\) | \(0.646 \pm 0.037\) |
Texture | \(\times \) | \(0.786 \pm 0.007\) | \(0.854 \pm 0.013\) | \(0.757 \pm 0.030\) | \(0.843 \pm 0.025\) | \(0.610 \pm 0.031\) |
Texture | \(\checkmark \) | \(0.808 \pm 0.011\) | \(0.886 \pm 0.006\) | \(0.783 \pm 0.014\) | \(0.864 \pm 0.005\) | \(0.657 \pm 0.037\) |
ROI | \(\times \) | \(0.811 \pm 0.012\) | \(0.882 \pm 0.021\) | \(0.765 \pm 0.006\) | \(0.857 \pm 0.015\) | \(0.627 \pm 0.016\) |
ROI | \(\checkmark \) | \(0.850 \pm 0.004\) | \(0.916 \pm 0.007\) | \(0.817 \pm 0.019\) | \(0.892 \pm 0.016\) | \(0.637 \pm 0.037\) |
