Table 3 Summary of each sociodemographic, morphological, behavioral, and biochemical variables. Mean values ± standard deviation (number of subjects) and post hoc comparison of means for the demographics within groups significant difference (control group as reference).
From: Cortical folding correlates to aging and Alzheimer’s Disease’s cognitive and CSF biomarkers
Variable | CTL (N=77) | MCI (N=31) | AD (N=13) |
|---|---|---|---|
Age [years]* | 66 ± 8.4 | 72 ± 4.8* | 77 ± 6.1* |
Education [years]* | 15 ± 2.2 | 13 ± 2.4* | 13 ± 3* |
Female, N (%) | 53 (69%) | 19 (61%) | 8 (62%) |
Morphometrical | |||
Cortical Thickness [mm]* | 2.5 ± 0.099 | 2.5 ± 0.088* | 2.4 ± 0.079* |
Total Area [mm] | 98000 ± 7800 | 97000 ± 8200 | 95000 ± 9300 |
Exposed Area [mm2] | 37000 ± 2400 | 37000 ± 2600 | 37000 ± 3000 |
k* | 0.30 ± 0.0095 | 0.29 ± 0.0094* | 0.28 ± 0.01* |
K (\(log_{10}{k}\))* | − 0.52 ± 0.014 | − 0.53 ± 0.014* | − 0.55 ± 0.015* |
Behavioral | |||
Cognitive Index* | 0.21 ± 0.64 | − 1.5 ± 1.3* | − 3.4 ± 1.5* |
RAVLT A7/A5* | 0.82 ± 0.18 | 0.53 ± 0.31* | 0.24 ± 0.31* |
TMT B-A* | 59 ± 48 | 130 ± 110* | 230 ± 130* |
Digit Span Backward* | 5.8 ± 1.7 | 4.6 ± 1.6* | 3.8 ± 1.4* |
Biochemical (CSF) | |||
Lipoxin [pg/mL]* | 130 ± 62 (28) | 120 ± 51 (11) | 79 ± 74 (6)* |
A\(\beta \)1-40 [pg/mL] | 4200 ± 1900 (29) | 5000 ± 2600 (11) | 5700 ± 1700 (6) |
A\(\beta \)1-42 [pg/mL]* | 530 ± 240 (29) | 450 ± 320 (11) | 280 ± 60 (6)* |
t-Tau [pg/mL]* | 350 ± 190 (29) | 470 ± 200 (11) | 630 ± 280 (6)* |