NC (n = 15) n (%) | aMCI (n = 12) n (%) | AD (n = 14) n (%) | χ2/F-test | P Value | |
---|---|---|---|---|---|
Demographics | |||||
Age (mean) (yr) | 77.54 ± 4.01 | 79.05 ± 7.23 | 78.30 ± 9.55 | 0.15 | .87 |
Female | 10 (66) | 6 (50) | 8 (57) | 0.78 | .68 |
Education (mean ± SD) | 16.14 ± 2.51 | 15.08 ± 3.66 | 15.14 ± 2.83 | 0.54 | .59 |
Right-handed | 13 (87) | 11 (92) | 13 (93) | 1.94 | .75 |
White race | 14 (93) | 10 (83) | 12 (86) | 4.46 | .62 |
Medical history | |||||
Hypertension | 8 (53) | 8 (67) | 4 (29) | 3.95 | .14 |
Hypercholesterolemia | 12 (80) | 9 (75) | 6 (43) | 3.09 | .21 |
Diabetes | 2 (13) | 1 (8) | 1 (7) | 0.35 | .84 |
Thyroid disease | 3 (20) | 2 (17) | 1 (7) | 1.01 | .60 |
Cardiac arrest | 2 (13) | 3 (25) | 1 (7) | 2.01 | .37 |
Cardiac bypass | 1 (7) | 1 (8) | 0 (0) | 1.13 | .57 |
Stroke or TIA | 1 (7) | 1 (8) | 1 (7) | 0.03 | .99 |
Depression within the past 2 years | 4 (27) | 1 (8) | 4 (29) | 1.85 | .40 |
Note:—TIA indicates transient ischemic attack.