Table 1.

Clinical and demographic characteristics of participants

	Healthy controls (n = 34)	OSAS patients (n = 54)	p
Age	36.97 ± 10.83	38.94 ± 7.43	.355a
Gender (M/F)	31/3	53/1	.126b
Education (year)	14.59 ± 1.07	14.15 ± 1.43	.105a
BMI (kg/m2)	26.28 ± 2.70	31.57 ± 5.63	< .001*a
ESS	2.66 ± 2.91	10.52 ± 4.93	< .001*a
BDI	7.21 ± 5.25	8.85 ± 5.63	.175a

Bold values indicate statistically significant differences between groups

Data are presented as mean ± standard deviation (SD)

OSAS obstructive sleep apnea, M male, F female, BMI body-mass index, ESS Epworth Sleepiness Scale, BDI Beck’s depression inventory

*p < .005

^aIndependent sample t test

^bChi square test