Topography of SHF in each dementia subgroupa
| Total (n = 347) | SC (n = 32) | MCI (n = 51) | AD (n = 162) | DLB (n = 41) | FTLD (n = 33) | VaD (n = 28) | |
|---|---|---|---|---|---|---|---|
| Whole brain | 160 (46) | 7 (22) | 21 (41) | 77 (48) | 22 (54) | 9 (27) | 24 (86) |
| BG/T region | 62 (48) | 2 (6) | 10 (20) | 25 (15) | 5 (12) | 2 (6) | 18 (64) |
| IT region | 64 (18) | 2 (6) | 11 (22) | 23 (14) | 7 (17) | 2 (6) | 19 (68) |
| Brain stem | 32 (9) | 1 (3) | 7 (14) | 9 (6) | 2 (5) | 1 (3) | 12 (43) |
| Cerebellum | 48 (14) | 1 (3) | 7 (14) | 18 (11) | 6 (15) | 1 (3) | 15 (54) |
| Lobar region | 136 (39) | 5 (16) | 16 (31) | 66 (41) | 18 (44) | 9 (27) | 22 (79) |
| Frontal | 69 (20) | 2 (6) | 9 (18) | 30 (19) | 9 (22) | 5 (15) | 14 (50) |
| Temporal | 65 (19) | 3 (9) | 8 (16) | 27 (17) | 7 (17) | 3 (9) | 17 (61) |
| Parietal | 78 (22) | 3 (9) | 10 (20) | 31 (19) | 14 (34) | 3 (9) | 17 (61) |
| Occipital | 63 (18) | 1 (3) | 8 (16) | 32 (20) | 5 (12) | 4 (12) | 13 (46) |
Note:—SC indicates subjective complaints; BG/T, basal ganglia/thalamus; IT, infratentorial.
↵a Data are the number of small hypointense foci–positive areas, regions, or brain, with percentages in parentheses.