Table 1 Demographic characteristics of study subjects in ADNI
Characteristics | NC (N = 339) | MCI (N = 639) | AD (N = 205) |
|---|---|---|---|
Age (mean years ± SD) | 75.15 ± 5.35 | 73.44 ± 7.52 | 75.53 ± 7.81 |
Gender (n (%)) | – | ||
Male | 177 (52.21) | 389 (60.88) | 117 (57.07) |
Female | 162 (47.79) | 250 (39.12) | 88 (42.93) |
Education (mean years ± SD) | 16.30 ± 2.68 | 15.89 ± 2.84 | 15.03 ± 2.96 |
APOE status (n (%)) | |||
APOE ε2/ε2,ε2/ε3,ε3/ε3 | 247 (72.86) | 325 (50.86) | 66 (32.20) |
APOE ε2/ε4,ε3/ε4 | 83 (24.48) | 250 (39.12) | 101 (49.27) |
APOE ε4/ε4 | 9 (2.65) | 64 (10.02) | 38 (18.54) |
MMSE (means ± SD) | 29.07 ± 1.12 | 27.60 ± 1.78 | 23.29 ± 2.03 |