Table 2.

Demographics of patients with OSA and controls.

	OSA		Controls
	N	%	N	%	P value
Total number	152 801	100.0	764 005	100.0
Follow-up duration (yr)	4.5 ± 2.3		4.5 ± 2.3		1.000
Mean age (years)	43.8 ± 12.7		43.8 ± 12.7		1.000
Age ≥ 65 years	9 290	6.1	46 450	6.1	1.000
Income in the lowest quintile	23 647	15.5	164 421	21.5	< .001
Diabetes	10 823	7.1	44 843	5.9	< .001
Hypertension	36 152	23.7	104 288	13.7	< .001
Dyslipidemia	24 354	16.0	58 834	7.7	< .001
Stroke	6 469	4.2	15 330	2.1	< .001
COPD	22 222	14.5	66 218	8.7	< .001
IHD	2 667	1.8	6 674	0.9	< .001

COPD = chronic obstructive pulmonary disease, IHD = ischemic heart disease, OSA = obstructive sleep apnea.