Abstract
Objective
To examine how primary care physicians (PCPs) and otolaryngologists use proton pump inhibitors (PPIs), antibiotics, antihistamines, oral and inhaled steroids, and histamine 2 antagonists in the treatment of laryngeal disorders.
Study Design and Setting
Retrospective analysis of data from a large, national administrative US claims database.
Subjects and Methods
Patients with laryngeal disorders based on ICD-9-CM codes from January 1, 2004, to December 31, 2008, seen as an outpatient by a PCP, otolaryngologist, or both and continuously enrolled for 12 months were included. Pharmacy claims, age, gender, geographic location, comorbid conditions, provider type, and laryngeal diagnosis were collected. Random-effects logistic regression and multinomial logistic regression analyses were performed.
Results
Of approximately 55 million individuals, 135,973 had a laryngeal diagnosis, 12 months post–index date follow-up, and an outpatient encounter with a PCP, otolaryngologist, or both. Acute laryngitis was one of the most common reasons PCPs prescribed each medication class. Nonspecific dysphonia was the most common reason otolaryngologists prescribed each medication class. Patients seen by a PCP had a higher odds ratio for receiving an antibiotic and antihistamine, and patients seen by an otolaryngologist had a greater odds ratio for receiving a PPI and inhaled steroids. After adjusting for other variables in the model, the probability that a patient seen by a PCP would receive an antibiotic was .55 and a PPI .13. If seeing an otolaryngologist, it was .44 and .22, respectively.
Conclusion
Differences exist regarding the prescribing patterns of PCPs and otolaryngologists in treating patients with laryngeal disorders.
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