Adult onset of asthma |
Equal distribution between sexes |
Few or no allergies to common allergens |
Elevated eosinophils in peripheral blood |
At risk of severe exacerbations |
Normal or moderately elevated IgE level |
Low FEV1 and often persistent airflow limitation |
Air trapping and dynamic hyperinflation |
Chronic rhinosinusitis with nasal polyposis |
Aspirin sensitivity |
Good response to systemic corticosteroids |
Good response to anti IL-5 treatment |
FEV1: forced expiratory volume in 1 s; IL: interleukin.