Table 1.

Demographic aspects of the subjects

	Control	MCI	AD
n	55	19	21
Age (mean ± SD)	81.36 ± 6.80	81.26 ± 6.64	79.14 ± 6.19
Male/Female	26 / 29	9 / 10	10 / 11
Education
(mean ± SD in years)	13.81 ± 2.89	13.32 ± 3.58	12.47 ± 2.50
MMSE (mean ± SD)	28.68 ± 1.37	26.83 ± 2.90	18.63 ± 5.53
ApoE status
(∈4 carrier /non-carrier*)	5 / 50	6 / 13	10 / 11

^*Subjects with a genotype of ∈3/4 and ∈2/4 were grouped as ∈4 carriers and subjects with a genotype of ∈2/3 and ∈3/3 were grouped as ∈4 non-carriers.