Table 1.

Demographic and clinical data of the study groups.

	AD	Control	P value
	(n = 23)	(n = 28)
Age§	79.3 ± 4.6	72.3 ± 5.1	0.274
Gender
Male	9	9	0.615
Female	14	19
Race	Caucasian	Caucasian
MMSE§	23.3 ± 3.1	28.2 ± 1.9	0.001∗
	Range (17–29)	Range (25–31)

^§Mean value ± SD; ^∗ P < 0.01 [AD, Alzheimer's disease; MMSE, Mini-Mental State Examination; SD, standard deviation].