Table 2.
Classification of the 50 bvFTD cases into diagnostic categories with different MRI classification methods
| Methods used | FTLD | AD | LBD | SMC |
|---|---|---|---|---|
| VOL | 22 (44) | 8 (16) | 14 (28) | 6 (12) |
| TBM | 11 (22) | 18 (36) | 17 (34) | 4 (8) |
| VBM | 28 (56) | 7 (14) | 14 (28) | 1 (2) |
| WMH | 9 (18) | 22 (44) | 4 (8) | 15 (30) |
| Grading | 13 (26) | 5 (10) | 16 (32) | 16 (32) |
| Manifold | 4 (8) | 15 (30) | 26 (52) | 5 (10) |
| VOL + VBM | 30 (60) | 2 (4) | 16 (32) | 2 (4) |
Values are shown as n (%). bvFTD, behavioral-variant frontotemporal dementia; FTLD, frontotemporal lobar degeneration; AD, Alzheimer disease; LBD, Lewy body dementia; SMC, subjective memory complaints; VOL, volumetry; TBM, tensor-based morphometry; VBM, voxel-based morphometry; WMH, white-matter hyperintensities; manifold, manifold-based learning.