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Demographic characteristics of the subjects from ADNI database (age and years of education are given as mean (standard deviation))
| AD (N=326) | CN (N=607) | P value | |
|---|---|---|---|
| Gender (% female) | 47.54 | 54.36 | 0.054 |
| Age | 74.9 (7.6) | 74.4 (7.3) | 0.008 |
| Years of education | 15.0 (2.9) | 16.5 (2.5) | < 0.001 |
| APOE ε4 (% at least one allele) | 67.27 | 28.62 | < 0.001 |
