Subjects in a Population Study with High Levels of FENO Have Associated Eosinophil Airway Inflammation

Table 1

Clinical characteristics of subjects with high and normal FENO levels, respectively.

	High FENO (𝑛=9)	Normal FENO (𝑛=21)
Median age (IQR) in years	39 (10)	45 (9)
Gender male/female	6 m/3 f	14 m/7 f
Median FEV1% pred (IQR)	98 (11)	104 (22)
Methacholine sensitivity (IQR) in mg	8.0** (4)	16.0 (0)
Median serum IgE (IQR) in mg/L	32 (119)	48 (79)
Asthma symptoms	7** (80%)	2 (14%)
Rhinitis symptoms	8** (90%)	4 (20%)
Ex-smokers >10 years	2 (20%)	8 (40%)

** 𝑃<.01.