Table 1.

Total subjects in this study

	N	Age	M:F	FEV1/FVC (%)	FEV1 (%)	FeNO (ppb)	ICS (µg)	OCS use	Smoker (N:E:C)
D-CON	13	61 ± 5***	11:2	78 ± 2	93 ± 3	27 ± 3	0	0	4:8:1
COPD	17	72 ± 2*	14:3	50 ± 4*	57 ± 6	32 ± 7	0	0	1:7:9
ST-Asthma	13	51 ± 4	10:3	73 ± 5	88 ± 6	45 ± 5	723 ± 86	2	3:8:2
SN-Asthma	18	48 ± 4	13:5	73 ± 3	83 ± 3	129 ± 2*	0	0	6:10:2

*p < 0.0001 vs ST or SN-Asthma, ***p < 0.05 vs other groups