Suboptimal Use of Inhaled Corticosteroids in Children with Persistent Asthma: Inadequate Prescription, Poor Drug Adherence, or Both?

Study Objective. To assess the use of inhaled corticosteroids in children with persistent asthma, including patients' adherence to these drugs and physicians' prescribing patterns, by using a novel drug adherence measure, the Proportion of Prescribed Days Covered (PPDC).

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