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Manuel A. Ocasio, Anat Galor, D Diane Zheng, Laura McClure, Victor L. Perez, David J. Lee, Kristopher L. Arheart, Byron L. Lam; Trends in Dry Eye Medication Use and Expenditures: Medical Expenditure Panel Survey 2001-2006. Invest. Ophthalmol. Vis. Sci. 2011;52(14):5529.
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To study trends of dry eye medication use and expenditures from 2001 to 2006 using a nationally representative sample of U.S. adults.
We retrospectively analyzed dry eye medication use and expenditures of participants of the 2001-2006 Medical Expenditure Panel Survey (MEPS), a nationally representative subsample of the National Health Interview Survey (NHIS) which is a continuous multipurpose multistage area probability survey of the US civilian non-institutionalized population living at addressed dwellings. After adjusting for survey design and for inflation using 2009 inflation index, data from 147 unique participants age ≥18 years using prescription medication for dry eye syndrome and blepharitis were analyzed.
Dry eye medication use and expenditures increased between the years 2001 and 2006 with the mean expenditure per patient per year being $55 in 2001-2 (n=29), $137 in 2003-4 (n=32), and $299 in 2005-6 (n=86). This finding was strongly driven by the introduction of Restasis in 2003 as 84% of prescriptions filled and 91% of expenditures in 2005-6 were related to Restasis. In analysis pooled over all survey years, demographic factors that impacted dry eye medication expenditures included gender (female: $244 versus male: $122, p<0.0001), ethnicity (non-Hispanic: $228 versus Hispanic: $106, p<0.0001), insurance status (private: $225 versus uninsured: $167, p=0.02), and education (greater than high school: $250 versus less than high school: $100, p<0.0001).
We found a trend of increasing dry eye medication use and expenditures from 2001 to 2006. Predictors of higher dry eye expenditures included female gender, non-Hispanics, those with private insurance, and those with greater than a high school education.
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