Relationship of Asymmetrical Dimethylarginine, Nitric Oxide, and Sustained Attention during Attack in Patients with Major Depressive Disorder

Table 1

Comparison of study group with healthy controls in terms of age, gender, years of education, and smoking status.

	MDD group (𝑛=41)	Control group (𝑛=44)	𝑃	df	𝑡	𝜒^2
Age (years)	26.27 ± 4.87	27.07 ± 4.30	0.42	83	−0.80
Gender (%)			0.99	1		0
Female	28 (68.3%)	30 (68.2%)
Male	13 (31.7%)	14 (31.8%)
Education (years)	12.85 ± 3.28	12.70 ± 4.59	0.86	77.90	0.17
Smoking status			0.84
Nonsmokers	26 (63.4%)	27 (61.4%)		1		0.38
Smokers	15 (36.6%)	17 (38.6%)

MDD: major depressive disorder.