Table 1.

Distribution of the age, sex, and level of education of the two groups

Variables	Groups		P
	Memantine	Donepezil
Average of age (years)	39.1±9.8	38.1±11.9	0.72*
Gender (%)
Male	16 (48.5)	15 (48.4)	0.9**
Female	17 (51.5)	16 (51.6)
Education
Under the diploma	3 (9.1)	4 (12.9)	0.86**
Diploma	11 (33.3)	9 (29)
University	19 (57.6)	18 (58.1)

*Independent t-test, **Chi-square