Table 1.
Subject demographics
| aMCI-P n=42 | aMCI-S n=21 | Controls n=63 | P values | |
|---|---|---|---|---|
| No. of females (%) | 24 (57) | 12 (57) | 36 (57) | 1.00 |
| Median (range) age, yrs. | 79 (59, 96) | 79 (61, 97) | 78 (59, 93) | 0.64 |
| Median (range) education, yrs | 14 (7, 20) | 15 (8, 20) | 13 (8, 20) | 0.28 |
| No. of APOE ε4 carriers (%) | 24 (59) | 9 (43) | 12 (19) | <0.001 |
| Median (range) MMSE score | 26 (20, 29) | 27 (24, 30) | 29 (24, 30) | 0.01* |
| Median (range) CDR-SOB | 1.8 (0.5, 4.5) | 0.5 (0.0, 4.5) | 0.0 (0.0, 0.0) | 0.001* |
| Median (range) AVLT sum | 24 (12, 37) | 30 (20,41) | 37 (19, 64) | 0.003* |
*
The p values for the cognitive scores come from Wilcoxon rank sum test comparing only the aMCI-P and aMCI-S groups
APOE = Apolipoprotein E; MMSE = Mini-Mental Status Examination; CDR-SOB = Clinical Dementia Rating Sum of Boxes; AVLT = Auditory verbal learning test sum of learning over trials 1–5.