| 
      
        |  |  | AD(n=24) | aMCI (n=22) | Control(n=30) |  | P value |  
        | Sex | M | 12 | 10 | 16 | X2=0.315 | p=0.854 |  
        |  | F | 12 | 12 | 14 |  
        | Age(yrs.) |  | 74.4 ± 7.5 | 72.3 ± 9.1 | 70.7 ± 6.6 | F=1.248 | p=0.294 |  
        | Education (yrs.) |  | 11.27 ± 3.56 | 11.55 ± 3.5 | 10.23 ± 4.75 | F=0.653 | p=0.524 |  
        | MMSE |  | 17.35 ± 6.03 | 25.29 ± 2.2 | 28.26 ± 1.51 | F=56.299 | p=0.000* |  
        | MoCA |  | 15.36 ± 4.68 | 19.33 ± 2.96 |  | t=-2.455 | p=0.023* |  
        | CDR |  | 1.03 ± 0.30 | 0.5 ± 0.00 |  | t=6.715 | p=0.000* |  
        | *p<0.05 |  |