Σάββατο 13 Αυγούστου 2016

National Utilization and Forecasting of Ototopical Antibiotics: Medicaid Data Versus “Dr. Google”

imageObjectives: To forecast national Medicaid prescription volumes for common ototopical antibiotics, and correlate prescription volumes with internet user search interest using Google Trends (GT). Study Design: National United States Medicaid prescription and GT user search database analysis. Methods: Quarterly national Medicaid summary drug utilization data and weekly GT search engine data for ciprofloxacin-dexamethasone (CD), ofloxacin (OF), and Cortisporin (CS) ototopicals were obtained from January 2008 to July 2014. Time series analysis was used to assess prescription seasonality, Holt–Winter's method for forecasting quarterly prescription volumes, and Pearson correlations to compare GT and Medicaid data. Results: Medicaid prescription volumes demonstrated sinusoidal seasonality for OF (r2 = 0.91), CS (r2 = 0.71), and CD (r2 = 0.62) with annual peaks in July, August, and September. In 2017, OF was forecasted to be the most widely prescribed ototopical, followed by CD. CS was the least prescribed, and volumes were forecasted to decrease 9.0% by 2017 from 2014. GT user search interest demonstrated analogous sinusoidal seasonality and significant correlations with Medicaid data prescriptions for CD (r = 0.38, p = 0.046), OF (r = 0.74, p 

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