Healthcare costs of GERD and acid-related conditions in pediatric patients, with comparison between histamine-2 receptor antagonists and proton pump inhibitors
2009
AbstractBackground:Gastroesophageal reflux disease and acid-related conditions (GERD/ARC) are common in pediatric practice but their costs have not been well characterized.Aim:To compare healthcare costs (HCC) and healthcare utilization (HCU) of pediatric GERD/ARC between groups of GERD/ARC patients initiated on histamine-2 receptor antagonists (H2RAs) or proton pump inhibitors (PPIs) and matched controls.Patients and methods:Children (age < 18 years) diagnosed with GERD or ARC (exploratory category) were identified from a large US claims database (1999–2005) using ICD-9 codes. Costs of pediatric GERD/ARC were estimated by comparing 6-month post-diagnosis HCC between cases and matched controls. GERD/ARC-related HCC and HCU for the year 2005 were further compared between GERD/ARC patients initiated with PPIs vs. H2RAs in terms of the cost differences relative to pre-initiation (difference-in-difference) and using multivariate regression to adjust for demographics, pre-treatment health status and pre-treatm...
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