Data Collection
Sociodemographic characteristics (age and sex), duration of asthma symptoms, allergic sensitization to inhalant allergens, number of asthma exacerbations in the past year, use of inhaled steroids, smoking history among the family members, family history of allergic diseases were recorded. Body weight and height measurements were undertaken at presentation as well as IOS measurements. Test for Respiratory and Asthma Control in Kids (TRACK) scores were recorded.