Table 1.

Demographic characteristics of study sample with mean MMSE and AQ scores

	CN	MCI	AD	Total	P-value
n	100	100	100	300	—
Age	77.98 (7.11)	74.82 (7.58)	78.17 (7.23)	76.99 (7.45)	0.002
Education	15.46 (2.89)	14.53 (2.50)	14.50 (2.48)	14.83 (2.63)	0.01
Gender (M/F)	38/62	60/40	59/41	157/143	0.002
MMSE	28.62 (1.44)	26.85 (2.50)	24.15 (2.51)	26.54 (2.76)	<0.001
AQ score	2.44 (2.54)	11.23 (4.80)	17.74 (4.78)	10.47 (7.53)	<0.001

CN, cognitively normal; MCI, mild cognitive impairment; AD, Alzheimer's disease, Mean (SD); MMSE normal range (26–30), AQ normal range (0–4).