Participant Characteristics in Each Dementia Diagnostic Group
| Parameter | Total (n = 1,193) | AD (n = 960) | FTD (n = 36) | MCI (n = 144) | DLB (n = 5) | CBS (n = 4) | VaD (n = 29) | UN-D (n = 15) |
| Median age (y) | 65.0 (range, 19–92) | 65.1 (range, 32–92) | 60.4 (range, 38–79) | 61.5 (range, 30–90) | 71.0 (range, 61–77) | 63.5 (range, 51–77) | 70.0 (range, 53–81) | 56.5 (range, 19–74) |
| Age group (n) | ||||||||
| <40 y | 18 | 13 | 1 | 1 | 0 | 0 | 0 | 3 |
| 40–49 y | 64 | 39 | 6 | 16 | 0 | 0 | 0 | 3 |
| 50–59 y | 300 | 241 | 9 | 43 | 0 | 1 | 4 | 2 |
| 60–69 y | 395 | 316 | 15 | 46 | 1 | 2 | 10 | 5 |
| 70–79 y | 322 | 265 | 5 | 31 | 4 | 1 | 14 | 2 |
| ≥80 y | 94 | 86 | 0 | 7 | 0 | 0 | 1 | 0 |
| Men (n) | 661 (55.4%) | 525 (54.7%) | 15 (41.7%) | 91 (63.2%) | 3 (60.0%) | 2 (50.0%) | 15 (51.7%) | 10 (66.7%) |
| Education level (y)* | 11.2 ± 3.7 | 10.9 ± 3.5 | 10.3 ± 3.1 | 13 ± 3.3 | 14.7 ± 2.3 | 8.8 ± 6.2 | 10.8 ± 4.2 | 13.7 ± 4.0 |
| MMSE score* | 19.2 ± 6.7 | 17.4 ± 6.3 | 19.0 ± 7.5 | 24.7 ± 4.0 | 20.3 ± 6.7 | 18.0 ± 4.0 | 22.8 ± 6.9 | 26.7 ± 3.2 |
| MoCA score* | 13.8 ± 6.9 | 12.0 ± 6.0 | 12.3 ± 7.7 | 19.3 ± 5.6 | 15.0 ± 11.7 | 7.3 ± 3.1 | 17.5 ± 8.5 | 21.7 ± 5.1 |
| ADL score* | 28.0 ± 9.7 | 29.6 ± 8.9 | 28.3 ± 11.1 | 21.3 ± 1.8 | 28.0 ± 7.5 | 40.0 ± 2.0 | 27.9 ± 13.8 | 25.3 ± 6.1 |
*Data are mean ± SD.
UN-D = unclassifiable dementia; ADL = Activities-of-Daily-Living Scale.