Table 1.: Anthropometric and Physiologic Data for Patients with Non-Obesity, Obstructive Sleep Apnea (OSA, Mild-Moderate, Severe), COPD and Control Subjects

Obese, Non-OSA OSA, Mild-Moderate OSA, Severe COPD Controls P-Value
No. subjects 28 26 24 42 19
Age (yr) 48.0 (10.6) 52.1 (9.8) 51.3 (9.2) 62.0 (9.8) 44.3 (11.8) <0.0001
Sex (F/M) 19/9 14/12 10/14 11/31 10/9 0.01
BMI (kg/m2) 40.1 (6.6) 40.3 (8.8) 46.4 (7.5) 28.2 (6.5) 24.8 (3.7) <0.0001
FVC % (pred) 90.4 (14.2) 84.7 (17.9) 75.7 (20.7) 75.0 (20.0) 100.3 (12.9) <0.001
FEV1 %(pred) 98.2 (15.6) 93.0 (17.9) 79.9 (24.2) 49.8 (18.8) 109.1 (12.9) <0.0001
FEV1/FVC (%) 82.0 (7.3) 82.2 (6.0) 78.9 (8.7) 46.9 (12.9) 83.2 (5.3) <0.0001
TLC (% pred) 97.3 (10.5) 92.3 (13.4) 89.3 (17.1) 102.9 (21.9) 99.3 (9.2) 0.02
AHI (events/hr) 1.2 (1.4) 14.8 (6.5) 55.9 (20.5)   <0.0001

Values are expressed as means (SD).
ANOVA across all cohorts, except chi square for sex.