Table 6:
Results of AD vs. CN classification achieved by the proposed method and six competing methods on the mixed data from ADNI-1, ADNI-2, ADNI-3 and AIBL using 5-fold cross validation.
| Method | Fold #1 | Fold #2 | Fold #3 | Fold #4 | Fold #5 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| ACC (%) | AUC (%) | ACC (%) | AUC (%) | ACC (%) | AUC (%) | ACC (%) | AUC (%) | ACC (%) | AUC (%) | |
| TCA | 73.97 | 79.88 | 74.56 | 80.23 | 73.39 | 77.32 | 74.85 | 80.98 | 74.27 | 79.11 |
| SA | 75.14 | 80.76 | 74.26 | 77.28 | 73.10 | 76.09 | 73.39 | 77.89 | 75.43 | 81.42 |
| GFK | 71.64 | 70.22 | 70.17 | 70.05 | 69.88 | 70.30 | 69.29 | 70.11 | 70.46 | 70.50 |
| CORAL | 73.10 | 83.79 | 76.02 | 84.71 | 77.20 | 84.85 | 78.95 | 87.75 | 77.78 | 85.31 |
| VoxCNN | 83.33 | 89.02 | 84.80 | 90.05 | 86.25 | 88.14 | 85.09 | 90.12 | 84.50 | 89.03 |
| DANN | 90.64 | 90.02 | 90.35 | 90.44 | 88.89 | 90.00 | 90.05 | 91.75 | 90.93 | 91.86 |
| AD2A (Ours) | 92.40 | 94.76 | 90.64 | 90.86 | 90.93 | 91.06 | 92.98 | 94.31 | 93.57 | 94.98 |