Eosinophilic inflammation at subgroups according to MBPT and EIB.

<p>(A) Sputum eosinophilia on the basis of hyper-responsiveness to methacholine and to exercise. (B–C) Relationship between sputum eosinophil presence and maximal fall in FEV1. EIB: exercise induced bronchoconstriction, MBPT: methacholine bronchial provocation test.</p>