Table 4.
Characteristics of patients with various dementia etiologies, and comparisons of diagnostic groups.
| AD, n 76 |
FTD, n 6 |
DLB, n 12 |
p* | AD versus non-AD | FTD versus non-FTD | DLB versus non-DLB | |
|---|---|---|---|---|---|---|---|
| p** | p** | p** | |||||
| Age, years | 72.3 (7.5) | 64.7 (6.1) | 70.2 (8.5) | 0.050 | 0.048 | 0.023 | 0.505 |
| Female, n (%) | 41 (53.9%) | 4 (66.7%) | 2 (16.7%) | 0.039 | 0.106 | 0.399 | 0.013 |
| Education, years (n 84) | 12.9 (3.5) | 16.4 (3.1) | 14.4 (3.4) | 0.055 | 0.030 | 0.042 | 0.285 |
| BAG, years | 2.7 (5.2) | 8.7 (4.9) | 2.6 (3.0) | 0.019 | 0.159 | 0.005 | 0.574 |
| Forebrain parenchyma/ICV (%) | 58.2 (3.2) | 57.4 (2.2) | 60.6 (2.2) | 0.034 | 0.117 | 0.380 | 0.012 |
| Hippocampi/ICV (%) | 0.37 (0.07) | 0.37 (0.04) | 0.40 (0.06) | 0.450 | 0.323 | 0.893 | 0.205 |
| WMH/ICV (%) | 0.61 (0.58) | 0.30 (0.35) | 0.53 (0.54) | 0.419 | 0.295 | 0.215 | 0.574 |
*Three group comparison using ANOVA/χ2.
**t test.
AD Alzheimer’s disease, FTD frontotemporal dementia, DLB dementia with Lewy bodies, BAG brain age gap, ICV intracranial volume, WMH white matter hypointensities.
Significant values are in bold.