Table 2.
Summary of sample characteristics for MCI-C and MCI-NC.
| Characteristic | MCI-C | MCI-NC | All |
|---|---|---|---|
| Number of samples | 52 | 93 | 145 |
| Male, % (n) | 37 (19) | 42 (39) | 40 (58) |
| Age, y, mean ± SD | 76.4 ± 5.6 | 76.9 ± 6.3 | 76.7 ± 6.1 |
| APOE ε4 genotypes, n (No. of patients) | 0 (29), 1 (20), 2 (3) | 0 (65), 1 (26), 2 (2) | 0 (94), 1 (46), 2 (5) |
| Follow-up, mean ± SD | 913.5 ± 433.4 | 886.3 ± 488.6 | 896.0 ± 468.2 |
APOE apolipoprotein E, MCI, mild cognitive impairment, MCI-C converter from MCI to Alzheimer’s disease, MCI-NC nonconverter from MCI to Alzheimer’s disease.