CSF markers and APOE status in the MCI groups
| MCI Sample 1 | MCI Sample 2 | P | |
|---|---|---|---|
| N | N | ||
| Aβ42 (pathologic/not pathologic) | 3/14 | 3/16 | .89 |
| Tau (pathologic/not pathologic) | 7/10 | 6/13 | .56 |
| Any CSF pathologic features (pathologic/not pathologic) | 8/9 | 7/12 | .55 |
| APOE ε4 alleles (0/1/2) | 8/6/4 | 10/6/3 | .58 |
Note:—MCI indicates mild cognitive impairment; Aβ42, amyloid beta 42 peptide; APOE ε4, apolipoprotein E.
P denotes the P values from an independent samples t test.