Research Article

Group Guided Fused Laplacian Sparse Group Lasso for Modeling Alzheimer’s Disease Progression

Table 6

Prediction performance results of ten cognitive scores of four time points based on multimodality features.

MethodTGLcFSGLGFL-SGLTGLcFSGLGFL-SGL

Score: ADAS
MRIPET
nMSE4.5264 ± 0.63824.4109 ± 0.59184.6987 ± 0.74194.6438 ± 0.67334.4061 ± 0.64134.4294 ± 0.6974
wR0.6806 ± 0.08770.6806 ± 0.08530.6692 ± 0.08970.6792 ± 0.07160.6940 ± 0.07550.6997 ± 0.0842
BL rMSE6.3971 ± 1.12706.3670 ± 1.05096.5227 ± 1.31046.5252 ± 1.41466.3755 ± 1.30766.3614 ± 1.3953
M12 rMSE5.8845 ± 1.17035.8519 ± 1.06806.0360 ± 1.19206.0747 ± 1.25605.8881 ± 1.05075.8035 ± 1.0189
M24 rMSE5.2531 ± 0.92375.2829 ± 0.99665.4175 ± 0.98465.4755 ± 1.06225.2970 ± 1.03865.2901 ± 0.9836
M36 rMSE5.6362 ± 1.44454.5437 ± 1.56775.0457 ± 1.87084.4315 ± 1.82314.2938 ± 1.59775.0727 ± 2.0042

Score: ADAS
MPMPCD
nMSE4.3771 ± 0.82254.0380 ± 0.52823.8140 ± 0.70564.1169 ± 0.57913.9251 ± 0.48463.7255±0.6441
wR0.7140 ± 0.07560.7178 ± 0.07170.7400 ± 0.09420.7222 ± 0.06330.7267 ± 0.06330.7477±0.0842
BL rMSE6.1640 ± 1.08416.1365 ± 1.09375.9200 ± 1.02386.0910 ± 1.13276.0447 ± 1.11475.8632±1.0630
M12 rMSE5.6180 ± 0.99295.5713 ± 0.96595.2731 ± 0.79405.5036 ± 1.00185.5110 ± 0.98775.2172±0.7874
M24 rMSE5.3149 ± 0.96095.0187 ± 0.98734.7865 ± 0.74745.1299 ± 1.02654.9841 ± 1.00044.7442±0.7253
M36 rMSE6.1291 ± 1.79314.3765 ± 1.59895.1638 ± 1.63695.4648 ± 1.81654.2363±1.29925.0341 ± 1.5739

Score: MMSE
MRIPET
nMSE1.9059 ± 0.36731.5544 ± 0.15891.5446 ± 0.17092.0863 ± 0.94971.8916 ± 0.41451.5699 ± 0.1326
wR0.4737 ± 0.11320.5449 ± 0.10090.5383 ± 0.10140.4988 ± 0.09060.5233 ± 0.08130.5270 ± 0.0843
BL rMSE1.9866 ± 0.27821.8715 ± 0.32531.9085 ± 0.34092.0294 ± 0.33621.9772 ± 0.36491.8974 ± 0.3600
M12 rMSE1.9969 ± 0.40541.7781 ± 0.28631.7843 ± 0.27641.9950 ± 0.48671.9040 ± 0.27251.8229 ± 0.2912
M24 rMSE1.8220 ± 0.42201.6044 ± 0.28431.5656 ± 0.31401.9738 ± 0.75461.7230 ± 0.28461.5950 ± 0.2976
M36 rMSE1.9900 ± 1.04391.6339 ± 0.52791.4005 ± 0.47291.9142 ± 0.83792.3950 ± 2.04771.3472 ± 0.4827

Score: MMSE
MPMPCD
nMSE1.7323 ± 0.31531.5056 ± 0.10551.4386 ± 0.13101.7428 ± 0.40591.5697 ± 0.28461.3881±0.1132
wR0.5128 ± 0.09500.5763 ± 0.09690.5743 ± 0.09960.5352 ± 0.09310.5961±0.10050.5899 ± 0.0882
BL rMSE1.9714 ± 0.33931.8456 ± 0.34511.8486 ± 0.31191.9487 ± 0.30991.8780 ± 0.33081.8185±0.3082
M12 rMSE1.8040 ± 0.29611.7277 ± 0.22231.7144 ± 0.23661.8753 ± 0.42891.7615 ± 0.21221.6804±0.2269
M24 rMSE1.7497 ± 0.44081.5849 ± 0.27281.4954 ± 0.28471.7516 ± 0.47811.5927 ± 0.29031.4702±0.2631
M36 rMSE1.8481 ± 0.86081.5549 ± 0.53381.3110 ± 0.35681.6768 ± 0.81751.5542 ± 0.55321.2835±0.4067

Score: RAVLT.TOTAL
MRIPET
nMSE8.0525 ± 0.81857.7486 ± 0.81797.6082 ± 0.68607.9924 ± 0.58397.8193 ± 0.82317.6544 ± 0.7192
wR0.5989 ± 0.08630.6094 ± 0.08430.6091 ± 0.07900.6060 ± 0.08470.6003 ± 0.08790.6114 ± 0.0853
BL rMSE9.9809 ± 0.44399.8006 ± 0.45099.7251 ± 0.46889.8305 ± 0.57599.7743 ± 0.53249.6843 ± 0.5663
M12 rMSE9.8284 ± 0.66859.6394 ± 0.72349.5819 ± 0.78339.8347 ± 0.73669.7590 ± 0.89699.6180 ± 0.8630
M24 rMSE9.4549 ± 0.72439.2849 ± 0.77499.2384 ± 0.64259.8301 ± 0.93719.4391 ± 0.97159.4183 ± 0.9896
M36 rMSE9.3364 ± 2.20438.9823 ± 1.79968.5631 ± 1.94447.8316 ± 3.00208.6391 ± 2.96978.3481 ± 2.5665

Score: RAVLT.TOTAL
MPMPCD
nMSE7.4966 ± 0.97177.2046 ± 0.83267.0655 ± 1.14937.1461 ± 0.87366.7422 ± 1.06026.6873±0.6733
wR0.6350 ± 0.08780.6474 ± 0.08880.6484 ± 0.08800.6617 ± 0.08390.6785±0.07770.6749 ± 0.0631
BL rMSE9.6097 ± 0.52999.4845 ± 0.43469.4516 ± 0.67099.4001 ± 0.45959.1793±0.45059.2208 ± 0.5886
M12 rMSE9.6195 ± 0.89689.2463 ± 0.80429.1269 ± 0.81639.3194 ± 0.80208.8950 ± 0.83058.8526±0.6871
M24 rMSE9.1631 ± 1.04798.9473 ± 0.97518.7158 ± 0.97219.0133 ± 1.13898.7459 ± 1.20988.5530±0.8763
M36 rMSE7.7625 ± 2.43388.2418 ± 2.45187.9290 ± 2.62697.5097±2.05727.5204 ± 1.93607.8103 ± 1.9563

Score: RAVLT.TOT6
MRIPET
nMSE2.8868 ± 0.28222.6401 ± 0.30552.6064 ± 0.27272.8255 ± 0.24112.7979 ± 0.30452.6485 ± 0.2487
wR0.5500 ± 0.09470.5910 ± 0.09240.5944 ± 0.09030.5577 ± 0.08940.5599 ± 0.09310.5890 ± 0.0806
BL rMSE3.4094 ± 0.20203.2999 ± 0.19863.2783 ± 0.18903.3321 ± 0.16123.3348 ± 0.22273.2591 ± 0.2057
M12 rMSE3.3799 ± 0.25173.2278 ± 0.22363.2090 ± 0.22463.3612 ± 0.19263.3499 ± 0.21583.2439 ± 0.2019
M24 rMSE3.3710 ± 0.24933.1341 ± 0.31273.1229 ± 0.28963.3609 ± 0.38453.2712 ± 0.35923.2008 ± 0.3248
M36 rMSE3.1387 ± 0.98382.9726 ± 0.81342.9418 ± 0.83773.1407 ± 0.53653.2738 ± 0.58653.1430 ± 0.6435

Score: RAVLT.TOT6
MPMPCD
nMSE2.7875 ± 0.38572.4537 ± 0.36212.4498 ± 0.33772.6628 ± 0.35592.4224 ± 0.33322.3788±0.3278
wR0.5778 ± 0.10490.6233 ± 0.09780.6234 ± 0.09700.5975 ± 0.09240.6322 ± 0.09410.6385±0.0945
BL rMSE3.3512 ± 0.19913.1895 ± 0.23253.1879 ± 0.22413.2930 ± 0.12803.1716 ± 0.17083.1401±0.1625
M12 rMSE3.3006 ± 0.29323.1072 ± 0.23493.0973 ± 0.23673.2311 ± 0.30663.0928 ± 0.22643.0549±0.2382
M24 rMSE3.2935 ± 0.31802.9931 ± 0.35422.9989 ± 0.36443.2161 ± 0.33362.9747 ± 0.38502.9621±0.3640
M36 rMSE3.1544 ± 0.95842.8170 ± 0.62292.8485 ± 0.66322.8216 ± 0.92542.7400±0.59872.7649 ± 0.6387

Score: RAVLT.T30
MRIPET
nMSE3.0202 ± 0.26552.8297 ± 0.34032.7928 ± 0.34982.9929 ± 0.46702.9441 ± 0.40392.9405 ± 0.4265
wR0.5590 ± 0.06150.5861 ± 0.07420.5930 ± 0.07210.5551 ± 0.07870.5692 ± 0.08080.5663 ± 0.0780
BL rMSE3.5917 ± 0.23743.5116 ± 0.25143.4962 ± 0.25303.5711 ± 0.28893.5457 ± 0.30323.5681 ± 0.3175
M12 rMSE3.5622 ± 0.22493.4155 ± 0.22753.3880 ± 0.25503.4596 ± 0.32943.4806 ± 0.25653.4492 ± 0.2890
M24 rMSE3.5364 ± 0.21773.3545 ± 0.25713.3244 ± 0.24033.5668 ± 0.34353.4654 ± 0.30943.4536 ± 0.3149
M36 rMSE2.8940 ± 1.01972.8383 ± 1.11632.8168 ± 1.19703.2296 ± 1.09623.2096 ± 1.01703.2185 ± 1.1173

Score: RAVLT.T30
MPMPCD
nMSE2.8661 ± 0.45742.6653 ± 0.42712.6191 ± 0.40002.8335 ± 0.42352.6732 ± 0.51282.5605±0.3929
wR0.5811 ± 0.07770.6213 ± 0.08280.6241 ± 0.08060.5955 ± 0.07520.6229 ± 0.09070.6369±0.0820
BL rMSE3.5165 ± 0.29413.4327 ± 0.29173.4035 ± 0.28993.4891 ± 0.27103.4373 ± 0.29593.3650±0.2547
M12 rMSE3.4078 ± 0.34793.3028 ± 0.25903.2698 ± 0.28023.4073 ± 0.32563.3030 ± 0.34043.2280±0.2819
M24 rMSE3.4425 ± 0.27633.1974 ± 0.33073.1882 ± 0.28263.4122 ± 0.28223.1894 ± 0.41323.1638±0.3322
M36 rMSE2.9862 ± 1.17632.7979 ± 1.02622.7246 ± 1.03792.9526 ± 1.16592.7488 ± 1.06752.6291±0.9136

Score: RAVLT.RECOG
MRIPET
nMSE2.7632 ± 0.26342.6598 ± 0.22042.6003 ± 0.33792.8033 ± 0.53742.6547 ± 0.40512.6324 ± 0.4138
wR0.4662 ± 0.10140.4728 ± 0.10370.5035 ± 0.11580.4830 ± 0.15300.4955 ± 0.14260.5053 ± 0.1311
BL rMSE3.1427 ± 0.27873.1581 ± 0.33013.0909 ± 0.31853.1383 ± 0.33983.0983 ± 0.36263.0782 ± 0.3718
M12 rMSE3.0770 ± 0.41683.0286 ± 0.37952.9733 ± 0.39813.0581 ± 0.49462.9974 ± 0.38162.9664 ± 0.3816
M24 rMSE2.9060 ± 0.32372.7350 ± 0.28522.7274 ± 0.29012.9088 ± 0.27682.7838 ± 0.35482.7737 ± 0.3809
M36 rMSE2.5846 ± 0.74152.2824 ± 0.50622.4006 ± 0.58762.7997 ± 0.73572.5641 ± 0.39842.5969 ± 0.8513

Score: RAVLT.RECOG
MPMPCD
nMSE2.7116 ± 0.30452.5529 ± 0.41802.4729 ± 0.35492.7455 ± 0.26602.5057 ± 0.39142.4583±0.3645
wR0.4849 ± 0.5279 ± 0.11930.5376 ± 0.11760.4926 ± 0.5351 ± 0.12470.5419±0.1240
BL rMSE3.1454 ± 0.26303.0738 ± 0.34043.0246 ± 0.32623.1666 ± 0.28853.0441 ± 0.32723.0206±0.3336
M12 rMSE3.0863 ± 0.45392.9311 ± 0.38652.8867 ± 0.37953.0925 ± 0.44552.9022 ± 0.41692.8690±0.3839
M24 rMSE2.7858 ± 0.34002.6819 ± 0.28552.6470 ± 0.29542.8290 ± 0.36992.6632 ± 0.30162.6380±0.3253
M36 rMSE2.3208 ± 0.70002.2783 ± 0.48322.3415 ± 0.53952.3693 ± 0.65352.2978±0.45412.3546 ± 0.4869

Note that the best results are boldfaced. The superscript symbol “” indicates that GFL-SGL significantly outperformed that method on that score. Paired t-test at a level of 0.05 was used.