Table 2.

Performance comparison on the ADNI and AIBL dataset.

Methods	AD versus NC (ADNI)		pMCI versus sMCI (ADNI)		AD versus NC (AIBL)
	ACC	AUROC	ACC	AUROC	ACC	AUROC
3D CNN (WF: 1)13	$0.799\pm 0.037$	$0.881\pm 0.034$	$0.689\pm 0.028$	$0.702\pm 0.015$	$0.795\pm 0.029$	$0.884\pm 0.017$
3D CNN (WF: 2)	$0.804\pm 0.014$	$0.886\pm 0.006$	$0.675\pm 0.019$	$0.692\pm 0.024$	$0.698\pm 0.131$	$0.890\pm 0.015$
A3D-Net21	$0.827\pm 0.026$	$0.905\pm 0.015$	$0.702\pm 0.029$	$0.720\pm 0.036$	$0.814\pm 0.045$	$0.885\pm 0.016$
DA-MIDL52	$0.735\pm 0.040$	$0.809\pm 0.037$	$0.657\pm 0.023$	$0.581\pm 0.019$	$0.832\pm 0.030$	$0.846\pm 0.025$
HybNet22	$0.832\pm 0.046$	$0.908\pm 0.022$	$0.702\pm 0.014$	$0.676\pm 0.028$	$\mathbf{0.866}\pm \mathbf{0.054}$	$0.892\pm 0.043$
BrainBagNet-9	$0.737\pm 0.013$	$0.809\pm 0.029$	$0.643\pm 0.031$	$0.716\pm 0.041$	$0.781\pm 0.018$	$0.846\pm 0.012$
FG-BrainBagNet-9	$0.747\pm 0.011$	$0.830\pm 0.021$	$0.643\pm 0.033$	$0.716\pm 0.047$	$0.774\pm 0.027$	$0.843\pm 0.024$
PG-BrainBagNet-9	$0.869\pm 0.028$	$0.938\pm 0.025$	$\mathbf{0.715}\pm \mathbf{0.023}$	$\mathbf{0.773}\pm \mathbf{0.009}$	$0.859\pm 0.014$	$\mathbf{0.928}\pm \mathbf{0.006}$
BrainBagNet-17	$0.753\pm 0.025$	$0.826\pm 0.022$	$0.655\pm 0.026$	$0.716\pm 0.024$	$0.782\pm 0.038$	$0.858\pm 0.018$
FG-BrainBagNet-17	$0.828\pm 0.024$	$0.893\pm 0.022$	$0.679\pm 0.013$	$0.757\pm 0.008$	$0.807\pm 0.029$	$0.876\pm 0.013$
PG-BrainBagNet-17	$0.878\pm 0.027$	$\mathbf{0.940}\pm \mathbf{0.017}$	$0.697\pm 0.005$	$0.763\pm 0.010$	$0.832\pm 0.035$	$0.921\pm 0.009$
BrainBagNet-25	$0.823\pm 0.017$	$0.891\pm 0.020$	$0.675\pm 0.046$	$0.727\pm 0.032$	$0.767\pm 0.045$	$0.869\pm 0.029$
FG-BrainBagNet-25	$0.845\pm 0.025$	$0.909\pm 0.019$	$0.689\pm 0.013$	$0.748\pm 0.013$	$0.801\pm 0.050$	$0.900\pm 0.016$
PG-BrainBagNet-25	$0.872\pm 0.025$	$0.939\pm 0.011$	$0.691\pm 0.028$	$0.753\pm 0.031$	$0.822\pm 0.045$	$0.927\pm 0.011$
BrainBagNet-41	$0.865\pm 0.043$	$0.929\pm 0.034$	$0.691\pm 0.009$	$0.751\pm 0.026$	$0.840\pm 0.036$	$0.911\pm 0.013$
FG-BrainBagNet-41	$0.875\pm 0.030$	$0.920\pm 0.029$	$0.687\pm 0.018$	$0.747\pm 0.016$	$0.799\pm 0.017$	$0.914\pm 0.010$
PG-BrainBagNet-41	$\mathbf{0.883}\pm \mathbf{0.013}$	$\mathbf{0.940}\pm \mathbf{0.012}$	$0.695\pm 0.044$	$0.755\pm 0.048$	$0.827\pm 0.026$	$0.922\pm 0.014$
BrainBagNet-57	$0.860\pm 0.053$	$0.914\pm 0.031$	$0.683\pm 0.029$	$0.749\pm 0.041$	$0.819\pm 0.013$	$0.906\pm 0.015$
FG-BrainBagNet-57	$0.850\pm 0.020$	$0.927\pm 0.023$	$0.701\pm 0.019$	$0.764\pm 0.017$	$0.836\pm 0.020$	$0.920\pm 0.006$
PG-BrainBagNet-57	$0.862\pm 0.026$	$0.937\pm 0.020$	$0.681\pm 0.021$	$0.755\pm 0.015$	$0.841\pm 0.012$	$0.923\pm 0.009$