IQR, interquartile range; BMI, body mass index; IgE: immunoglobulin E;
FeNO, fractional nitric oxide; Rrs5, resistance of respiratory system at
5 Hz; Rrs5-20, the difference of the Rrs at 5 Hz and 20 Hz; AX,
reactance area
*Number of exposed or cases.
†Inhalant allergen-specific IgE > 0.35
kU/L for at least 1 of 6 allergens (Alternaria , birch, cat
dander, dog dander, Dermatophagoides farina , Japanese hop).
Table 2. Association of low and high MWP metabolites with Rrs5
and FeNO.