• Potentially inappropriate medication (PIM) use is a major patient safety concern for the elderly. • Using explicit criteria, previous studies found that 23.5% and 21.3% of the U.S. communitydwelling elderly used at least one PIM in 1987 and 1996, respectively.1 • The Beers criteria, Zhan criteria, and Health Plan Employer Data and Information Set (HEDIS) quality measure have been widely used ...
