Table 2.

Basic information for bronchodilation test patients

Parameters	Bronchodilation test
	Asthma (N=185)	Non-asthma (N=330)
Sex
Male	90 (48.6%)	161 (48.8%)
Female	95 (51.4%)	169 (51.2%)
Smoking history
Yes	54 (41.2%)	105 (31.8%)
No	131 (58.8%)	225 (68.2%)
Age, years	45 (15-89)	48 (9-85)
FeNO, ppb	60.6 (10.7-735.5)	29.05 (6.0-380.5)**

Note: Asthma vs. Non-asthma; *P < 0.05;

^**P < 0.01.

Categorical variables were expressed as an N (%); continuous variables were expressed as median (range).