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. 2019 Jul 22;179(11):1584–1586. doi: 10.1001/jamainternmed.2019.2788

Figure. Probability of Potentially Unsafe Medication (PUM) Exposure.

Figure.

Exposure to PUM was measured as any prescription for a Healthcare Effectiveness Data and Information Set high-risk medication in the elderly (PUM-HEDIS), prescriptions with an anticholinergic cognitive burden score of at least 3 indicating any daily exposure (PUM-ACB), and any overlapping days of exposure to drug-drug interactions (PUM-DDI). The proportion of total prescriptions from the Department of Veterans Affairs (VA) was measured as total VA prescriptions divided by total VA plus Medicare Part D prescriptions. A proportion of 0.50 indicates 50% from the VA and 50% from Part D (shaded area).