Table 1.

Demographic Data of all Participants.

	APOE 4 carrier	APOE 4 noncarrier	P value
N(total N = 143)	68	75	--
Age	76.27 ± 6.95	75.27 ± 4.19	0.4621a
Genger(male: female)	35 ± 33	38 ± 37	0.8525b
MMSE	25.7 ± 2.3	27.9 ± 1.7	<0.001a
CSF-Tau	251.3 ± 104.9	254.6 ± 128.2	0.89a

Data are represented as the mean (standard) deviations.

^aP value was obtained using the tt-test.

^bP value was obtained using chi-square test.