From: Associations of airway inflammation and responsiveness markers in non asthmatic subjects at start of apprenticeship
FENO in percent predicted according to Travers*
Percentages of eosinophils
<140%
>140% and <225%
>225%
<1%
88.5% (261)
84.0% (21)
57.1% (12)
>1% and <14%
7.5% (22)
0% (0)
4.8% (1)
>14%
4.1% (12)
16.0% (4)
38.1% (8)