Research Article

Linearized and Kernelized Sparse Multitask Learning for Predicting Cognitive Outcomes in Alzheimer’s Disease

Table 4

Performance comparison of various methods with fusing multiple modalities data in terms of CC and wR on 10 cross validation cognitive prediction tasks.

Method ADASMMSEFLUTRAILS
ANIMAB

-MTL-MRI0.670 ± 0.0910.539 ± 0.1170.481 ± 0.1120.417 ± 0.1150.525 ± 0.073
-MTL-PET0.619 ± 0.0580.482 ± 0.0870.395 ± 0.1050.385 ± 0.1200.501 0.060
-MTL-MP0.700 ± 0.0700.549 ± 0.1080.486 ± 0.1190.437 ± 0.1190.567 ± 0.070
-MTL-ALL0.705 ± 0.0670.560 ± 0.0960.527 ± 0.1020.450 ± 0.1150.575 ± 0.064
-MKMTL-MRI0.677 ± 0.0930.512 ± 0.1130.464 ± 0.0950.411 ± 0.1130.529 ± 0.094
-MKMTL-PET0.634 ± 0.0560.493 ± 0.1000.410 ± 0.1330.375 ± 0.0900.478 ± 0.061
-MKMTL-MP0.710 ± 0.0600.537 ± 0.1060.472 ± 0.1110.426 ± 0.1050.566 ± 0.081
-MKMTL-ALL0.727 ± 0.0620.551 ± 0.1120.512 ± 0.0970.444 ± 0.0990.582 ± 0.065
-MKMTL-MRI0.673 ± 0.0960.548 ± 0.1240.491 ± 0.0950.422 ± 0.1350.528 ± 0.102
-MKMTL-PET0.631 ± 0.0570.488 ± 0.1080.418 ± 0.1190.386 ± 0.0950.524 ± 0.065
-MKMTL-MP0.714 ± 0.0670.566 ± 0.1070.499 ± 0.0940.437 ± 0.1220.583 ± 0.077
-MKMTL-ALL0.721 ± 0.0640.574 ± 0.1050.512 ± 0.0940.445 ± 0.1200.589 ± 0.073

MethodRAVLTwR
TOTALTOT6T30RECOG

-MTL-MRI0.576 ± 0.0770.536 ± 0.0850.516 ± 0.0410.444 ± 0.0790.523 ± 0.082
-MTL-PET0.548 ± 0.1030.497 ± 0.1240.490 ± 0.0920.409 ± 0.0980.481 ± 0.081
-MTL-MP0.593 ± 0.0790.547 ± 0.0860.529 ± 0.0380.450 ± 0.0750.540 ± 0.077
-MTL-ALL0.618 ± 0.0720.563 0.0770.546 ± 0.0270.446 ± 0.0850.554 ± 0.069
-MKMTL-MRI0.585 ± 0.0690.533 ± 0.0930.511 ± 0.0440.434 ± 0.0770.517 ± 0.079
-MKMTL-PET0.559 ± 0.1100.508 ± 0.1110.503 0.0850.432 ± 0.0810.488 ± 0.075
-MKMTL-MP0.617 0.0800.561 ± 0.1000.541 ± 0.0570.462 ± 0.0790.543 ± 0.075
-MKMTL-ALL0.654 0.0710.577 ± 0.0820.560 ± 0.0380.444 ± 0.0870.561 ± 0.068
-MKMTL-MRI0.594 0.0700.554 ± 0.0800.536 ± 0.0330.459 ± 0.0710.534 ± 0.082
-MKMTL-PET0.563 0.1040.510 ± 0.1110.501 ± 0.0810.436 ± 0.0950.495 ± 0.072
-MKMTL-MP0.621 0.0750.582 ± 0.0830.564 ± 0.0460.475 ± 0.0730.560 ± 0.071
-MKMTL-ALL0.637 0.0680.593 ± 0.0770.575 ± 0.0410.479 ± 0.0810.570 ± 0.067