Abstract P115 Table Sputum and BAL eosinophil differential count, percentage area of eosinophilic staining in asthma
EB (n  =  6)Asthma (n  =  5)Healthy (n  =  3)
Sputum eosinophils (%) median (IQR)4.5 (3.45–11.8)5.5 (0–20.6)0.2 (0)
BAL eosinophil (%) median (IQR)1.2 (0.37–1.55)1.2 (0.7–2.22)0 (0)
Eosinophil staining % area/AM geometric mean (log SE)
IS38.50 (0.09)2.51 (0.96)1.46 (0.27)
BAL0.95 (0.25)0.82 (1.07)0.75 (0.56)
p (IS–BAL)<0.0010.0490.457
  • AM, asthma; BAL, bronchoalveolar lavage; EB, eosinophilic bronchitis; IQR, interquartile range; IS, induced sputum.