Table 4.

Association between sleep apnea and measures of lung function and asthma severity among obese individuals (BMI >= 30).

Sleep apnea	No (N = 109)	Yes (N = 15)	P-value
FEV1 % predicted	77.7 (16.4)	79.7 (19.7)	0.65
FVC % predicted	84.9 (15.7)	87.9 (16.3)	0.28
FEV1/FVC	91.6 (10.0)	90.2 (11.6)	0.70
JAC	2.30 (0.75)	2.73 (1.07)	0.08
ASUI	0.69 (0.20)	0.61 (0.19)	0.11
Witnessed apneas	No (N = 99)	Yes (N = 26)	P-value
FEV1 % predicted	77.1 (17.8)	81.1 (12.7)	0.17
FVC % predicted	85.2 (16.7)	85.7 (11.8)	0.79
FEV1/FVC	90.6 (10.4)	94.8 (8.7)	0.04
JAC	2.25 (0.73)	2.79 (0.93)	< 0.01
ASUI	0.71 (0.18)	0.57 (0.22)	< 0.01

Values shown are mean (standard deviation).