Table 3.

Patient’s Pulmonary Diffusion Function Data

	No OSA	Mild-to-Moderate OSA	Severe OSA	P value
TLC%	97.1 (91.3, 105.4)	100.1 (94.3, 107.6)	93 (83.2, 99.3)	<0.0001
RV%	102.3 (93.9, 118.5)	100.4 (90.7, 116.3)	104.5 (92, 117.4)	0.560
RV/TLC	29.3 (26, 36.4)	29.1 (26.1, 31.7)	29.8 (25.9, 36.3)	0.174
DLCO%	81 (75.3, 93.4)	89.9 (81.3, 101.6)	88.7 (82, 98.3)	0.488
DLCO/VA%	89.6 (80.2, 100.5)	95.8 (83.4, 110.1)	104.6 (92.8, 114.7)	0.002
FRC-SB%	86.3 (75.1, 109.9)	88.8 (78.3, 102.3)	87.3 (78.5, 99.1)	0.496
FRC%TLC-SB	46.9 (43.2, 56.5)	46.8 (42.4, 52.3)	48.4 (40.7, 52.3)	0.958