MCI PiB-positive (prodromal AD) | AD dementia | |
---|---|---|
Number | 11 | 9 |
Demographics | ||
Age at testing (years) | 69.7 ± 6.7 | 67.3 ± 7.1 |
Education | 12.5 ± 3.3 | 13.3 ± 2.7 |
Gender (M/F) | 5/6 | 2/7 |
ApoE ε3ε3/ε3ε4/ε4ε4 | 4/1/5 | 1/5/3 |
Cognitive functions | ||
Global cognition | ||
MMSE | 27.7 ± 3.0 | 22.6 ± 3.3** |
FSIQ | 92.6 ± 12.2 | 69.2 ± 21.6* |
(z-scores) | −0.8 ± 0.9 | −2.6 ± 1.6 |
Episodic memory | ||
RAVL, learning | 34.7 ± 10.0 | 20.9 ± 5.7** |
(z-scores) | −1.2 ± 1.0 | −2.5 ± 0.5 |
RAVL, delayed recall | 3.8 ± 3.0 | 1.7 ± 2.2 |
(z-scores) | −1.8 ± 0.9 | −2.4 ± 0.6 |
Rey, delayed recall | 12.8 ± 8.1 | 1.2 ± 1.9** |
(z-scores) | −1.0 ± 1.2 | −2.7 ± 0.3 |