Table 1.
Participant characteristics
| Control | MCI | AD | Statistic | |
|---|---|---|---|---|
| N | 56 | 30 | 26 | — |
| Age, years (mean ± SD) | 72.7 ± 9.9 | 73.0 ± 10.2 | 72.2 ± 10.2 | F = 0.05 P = 0.95 |
| Sex, % female (n) | 57.1% (32/56) | 46.7% (14/30) | 61.5% (16/26) | χ2 = 1.39 P = 0.50 |
| APOE ε4 genotype, % positive (n) | 46.2% (25/54) | 50% (15/30) | 58.3% (14/24) | χ2 = 0.96 P = 0.62 |
| Race, n (Caucasian/African American/Native American) | 42/11/3 | 25/5/0 | 23/2/1 | χ2 = 3.61 P = 0.46 |
| Education, years (mean ± SD) | 16.1 ± 2.6 | 15.3 ± 2.5 | 15.3 ± 3.3 | F = 1.33 P = 0.27 |
| MoCA, total score (mean ± SD) | 26.7 ± 2.3 | 21.0 ± 3.4 | 16.7 ± 3.4 | F = 116.8 P < 0.001 |
AD = Alzheimer’s disease dementia participants.