TABLE 3.

Baseline polysomnography data and treatment.

	All	OS group	OSAS group	p Value
	n = 237	n = 79	n = 158
AHI	26.0 ± 16.2	25.1 ± 15.4	26.5 ± 16.6	0.521
Severity of OSAS, n (%)
Mild	69 (29.1)	21 (26.6)	48 (30.4)	0.544
Moderate	81 (34.2)	35 (44.3)	46 (29.1)	0.020
Severe	87 (36.7)	23 (29.1)	64 (40.5)	0.086
CPAP, n (%)	70 (29.5)	45 (57.0)	25 (15.8)	<0.001

AHI = apnea–hypopnea index; CPAP = continuous positive airway pressure; other abbreviations as in Table 1.