Abstract
Inadequate asthma control may affect asthma resource use and treatment charges, consequently contributing to the growing economic burden of asthma. The study objective was to determine the impact of medication adherence and asthma control on resource use and charges in mild asthmatic patients treated with inhaled corticosteroids (ICSs). A claims database was analyzed retrospectively from October 2001-December 2007 to identify mild asthmatic patients aged 12-65 years who began ICS treatment. Demographics, drug utilization, and resource use for each patient were identified for the 365-day period before and after the index date (pre-index and post-index periods, respectively). Patients were designated as having high control high adherence (HCHA) or low control low adherence (LCLA) based on post-index exacerbations and the percentage of days covered; not all patients who qualified for study inclusion met adherence designation requirements. Differences between the HCHA and LCLA cohorts in resource use (eg, asthma treatment days) and asthma-related treatment charges were assessed. Compared with the HCHA cohort (n = 483), the LCLA cohort (n = 258) had more asthma treatment days (2.9 vs 3.9, respectively; P < 0.0001) and higher overall...Continue Reading
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