Demographic information on participants in the current studya
| Healthy (n = 25) | MCI (n = 18) | AD (n = 7) | |
|---|---|---|---|
| % Female | 64% | 55% | 71% |
| Education (yr) | 15.6 (3.6) | 14.9 (1.2) | 13.2 (1.2) |
| Age at MRI (yr) | 87.4 (5.0) | 88.3 (5.4) | 85.2 (4.4) |
| Age at death (yr) | 90.3 (4.7) | 91.1 (5.4) | 88.7 (4.9) |
| Years between MRI and death | 2.8 (1.3) | 2.8 (1.2) | 3.6 (1.5) |
| Entorhinal cortex thickness | 1.50 (0.30) | 1.49 (0.27) | 1.40 (0.41) |
| EC tangle density | 8.9 (6.2) | 12.8 (10.3) | 20.1 (12.9) |
| EC amyloid-β load | 5.5 (5.1) | 7.1 (5.1) | 7.5 (4.9) |
Note:—MCI indicates mild cognitive impairment.
↵a All values are expressed as mean (SD).