Statistical analysis of population.

Control

MCI

AD

p value

Sample size

46

10

19

Mean age (years)

65 ± 7.24

66 ± 3.7

77 ± 5.8

Gender (male/female)

23/23

5/5

7/12

0.0036 (for AD)

Laterality^*

39/7

10/0

19/0

Mean education (years)

14

10

7.68

<0.0001

Serum total proteins (g/dL)

6.88 ± 1.56

6.79 ± 1.05

6.796 ± 1.47

0.6716