Table 2. Demographic characteristics of patients and healthy controls.

	Depression patients (n = 40)	Healthy controls (n = 40)	p-value
Age, in years, Mean(SD)	48.0 (13.5)	40.8 (13.8)	0.62
Female, n(%)	21 (61.8)	20 (50.0)	0.35
Educational years, Mean (SD)	15.8 (6.8)	17.0 (8.0)	0.41
Years with illness, Mean (SD)	6.19 (19.0)	-	-
Use of any antidepressants, n(%)	35 (87.5)	-
Use of any antipsychotics, n(%)	15 (37.5)	-
Use of any benzodiazepines, n(%)	27 (67.5)	-
Use of any antiepileptics, n(%)	3 (7.5)	-
HAMD17 (SD)*	14.7 (8.7)	-

*For patients who had multiple evaluations, the highest HAMD score was used.