Table 1. Demographic and Baseline Characteristics of Patients With Obesity-Induced Hypoventilation Syndrome (OHA) and Obstructive Sleep Apnea (OSA) vs Patients With OSA Alone

Variable	OHS+OSA n = 104	OSA Alone n = 106	P Value
Sex			0.568
Male	44 (42)	49 (46)
Female	60 (58)	57 (54)
Age, years, mean ± SD	60.25 ± 12.55	59.36 ± 11.87	0.598
Body mass index, kg/m², median	47.00	43.50	0.008
African American	66 (64)	69 (65)	0.576
Continuous positive airway pressure compliance	84 (81)	85 (80)	0.915
Type 2 diabetes mellitus	82 (79)	67 (63)	0.013
Left atrium diameter, cm, median	4.45	4.20	0.014
LVEF, %, median	55	55	0.116
LVEF <50%	23 (22)	22 (21)	0.777
Coronary artery disease	38 (37)	58 (55)	0.008
Atrial fibrillation	23 (22)	24 (23)	1.000
Congestive heart failure	77 (74)	60 (57)	0.008
Stroke	3 (3)	13 (12)	0.010

Note: Data are reported as n (%) unless otherwise indicated.
LVEF, left ventricular ejection fraction.