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The purpose of this paper is to examine the influence of Medicare, Part D on diabetes medications since its introduction in 2006, with the prescribed medicines data from the Medical Expenditure Panel Survey collected by the Agency for Healthcare Research and Quality. In this paper, Summary Statistics, Kernel Density Estimation and Survival Analysis in Base SAS and SAS/STAT were used. The association analysis and the text mining analysis in Enterprise Miner were also utilized. Before that, SAS SQL, some SAS data step procedures or functions such as the transpose procedure were used to preprocess the data. Summary Statistics show that Medicare, part D increases the average Medicare payment for diabetes medications from $20 in 2005 to $130 in 2006.
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