Optimal cut-off value and clinical usefulness of the Adherence Starts with Knowledge-12 in patients with asthma taking inhaled corticosteroids

Asthma is a chronic inflammatory disease of the airways and inhaled corticosteroids (ICS) play a central role for asthma management. However, non-adherence to inhalation therapy is common (1-3). A literature review on adherence to ICS reported that rates of underuse ranged from 24% to 69% (3)