Variables Non-OSA (n=295) OSA (n=25) P-Value
Age 67.2 ± 12.2 64.3 ± 11.4 0.17
Gender n (%)
 Male
170 (57.6) 11 (44.0) 0.18
Race n (%)
Caucasian
 Black

242(82.0)
53(17.8)

23(92.0)
2(8.0)
  0.28
BMI kg/m2 27.11 ± 6.12 30.54 ± 5.03 0.002
Smoking status n (%)
 Never
 Quit >1month
 Current

63(21.4)
144 (48.9)
88 (29.8)

6 (24.0)
15 (60.0)
4 (16.0)
0.34
FEV1 % 85.4 ± 18.1 81.0 ± 19.5 0.26
DLCO % 80.6 ± 22.3 83.0 ± 24.1 0.74
Comorbidities n (%):      
 Diabetes 42(14.2) 3(12) >0.99
 Hypertension 171(56) 16(64) 0.56
 PVD 23(7.5)  0 0.23
 CAD 54(17.7) 8(32) 0.11
Definition of abbreviations: BMI= Body Mass Index, FEV1= Forced Expiratory Volume in one second, DLCO= Carbon Monoxide Diffusing Capacity, PVD = Peripheral Vascular Disease, CAD = Coronary Artery Disease
Table 1: Baseline characteristics.