Table 1 Relevant demographic and clinical variables in the sample
Mean ± SD | p values | |||
|---|---|---|---|---|
HC | SCD | MCI | HC vs SCD | |
Age | 70.6 (4.4) | 72.3 (5.2) | 72.8 (4) | 0.031 |
Gender (M-F) | 29–41 | 20–71 | 35–56 | 0.008* |
APOE (pos-neg) | 15–49 | 16–65 | 36–51 | 0.59 |
GDS | 1.4 (1.8) | 3.0 (3.3) | 3.7 (3.0) | 0.001* |
MMSE (gral. cognition) | 28.9 (1.2) | 28.2 (1.8) | 26.9 (2.3) | 0.104 |
RBMT global (episodic memory) | 10.0 (1.6) | 9.3 (2.4) | 5.8 (3.2) | 0.13 |
Direct digit (working memory) | 8.5 (2) | 8.4 (1.9) | 7 (2.1) | 0.660 |
Inverse digit (working memory) | 6.2 (1.8) | 5.2 (1.8) | 4.2 (1.4) | 0.009* |
TMTA (hits) (executive funct.) | 23.9 (0.3) | 23.9 (0.5) | 23.9 (0.9) | 0.866 |
TMTB (hits) (executive funct.) | 23.2 (2.5) | 22.4 (3.1) | 19.1 (6.1) | 0.211 |
Gesture imitation (Praxis) | 7.8 (0.6) | 7.5 (0.9) | 7.1 (1.3) | 0.184 |
7 M-fluency (language) | 20.5 (4.7) | 18.6 (4.8) | 13.7 (3.9) | 0.140 |
7 M-clock (Praxis) | 6.7 (0.5) | 6.4 (1.1) | 5.9 (1.4) | 0.084 |