Table 1.

Comparisons of demographic and clinical variables in both groups: EOAD and LOAD.

	EOAD (n = 109)	LOAD (n = 171)	U	χ2	p
Age	58.98 ± 6.45	75.40 ± 4.95	128.5	n/a	<0.001
Education	6.65 ± 4.49	5.76 ± 4.49	3766.5	n/a	0.555
Gender, ♀	56 (51.4%)	101 (59.1%)	n/a	1.59	0.206
MMSE	21.80 ± 5.17	21.19 ± 3.50	3648	n/a	0.358
Age at onset	56.17 ± 6.15	73.34 ± 4.78	15.5	n/a	<0.001
Disease duration	3.36 ± 2.29	4.50 ± 2.70	3449.5	n/a	0.123
Severity	Mild – 71 (65.1%)	Mild – 121 (70.1%)	n/a	0.97	0.323
	Moderate – 38 (34.9%)	Moderate – 50 (29.2%)

AD, Alzheimer disease; EOAD, early onset Alzheimer disease; LOAD, late-onset Alzheimer disease; MMSE, mini-mental state examination; U, U-Mann–Whitney test; χ², Chi-square test.