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. Author manuscript; available in PMC: 2013 Sep 9.
Published in final edited form as: Am J Manag Care. 2009 Aug;15(8):536–544.

TABLE 6.

Changes in Out-of-Pocket Spending and Utilization Before and After Medicare Part D, By Eligibility Status

Eligibility Annual Out-of-Pocket Spending ($) Number of Filled Prescriptions
2004 2006 2004 2006
Dual 164 45* 41.3 38.9
LIS 741 160* 32.7 38.8*
General 842 897 30.8 31.1

Sources: 2004 Medicare Current Beneficiary Survey and 2006 claims and enrollment data from a large Part D plan.

*

P-value < .01 for change in outcome between 2004 and 2006. All expenditures are in 2006 dollars.