Table 1
Definitions of inflammatory phenotype according to sputum differential eosinophil % and neutrophil %
Phenotype
Sputum eosinophils
Sputum neutrophils
Eosinophilic
>2.5
≤54
Neutrophilic
≤2.5
>54
Mixed
>2.5
>54
Paucigranulocytic
≤2.5
≤54