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Background
Asthma exacerbation (AE) leads to social and economic costs and long‐term adverse outcomes. We aimed to predict exacerbation‐prone asthma (EPA) in children.
Methods
The Korean childhood Asthma Study (KAS) is a prospective nationwide pediatric asthma cohort of children aged 5–15 years followed every 6 months. Patients with AE during the 6 months prior to all three visits, with AE prior...
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