Table 1 Sample characteristics
Cross-sectional sample | |||||
---|---|---|---|---|---|
CU Aβ- (n = 54) | CU Aβ + (n = 9) | MCI Aβ + (n = 28) | Dementia Aβ + (n = 54) | P value | |
Age, years | 65.15 (7.95) | 70.67 (5.85) | 71.21 (9.18) | 68.57 (7.64) | 0.007 |
Sex, (male/female) | 15/39 | 2/7 | 12/16 | 21/33 | 0.391 |
Education, years | 13.03 (2.67) | 12.78 (3.03) | 12.20 (3.48) | 9.52 (3.47) | 3.84×10⁻7 |
MMSE | 28.68 (1.36) | 27.22 (2.28) | 26.19 (1.71) | 15.47 (5.30) | 7.38×10⁻42 |
ApoE ε4 status (pos/neg) | 14/39 | 3/5 | 16/12 | 33/19 | 0.001 |
Longitudinal sample | |||||
---|---|---|---|---|---|
CU Aβ + (n = 2) | MCI Aβ + (n = 7) | Dementia Aβ + (n = 9) | P value | ||
Age, years | 73.00 (4.24) | 71.14 (7.84) | 72.11 (8.12) | 0.946 | |
Sex, (male/female) | 1/1 | 1/6 | 3/6 | ||
Education, years | 14.00 (2.83) | 10.71 (4.50) | 10.00 (2.92) | 0.393 | |
MMSE | 28.00 (2.83) | 25.86 (1.77) | 17.67 (5.31) | 0.002 | |
ApoE ε4 status (pos/neg) | 1/0 | 5/2 | 6/3 | ||
SV2A-PET follow-up years | 1.07 (0.05) | 1.22 (0.38) | 1.17 (0.13) | 0.766 |