. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Drugs Aging. 2013 Nov;30(11):10.1007/s40266-013-0118-4. doi: 10.1007/s40266-013-0118-4

Table 2.

Studies of Comparing the MAI with Other Measures of Potentially Inappropriate Prescribing

Author/Year	Patients/Setting	# of Patients	No. Drugs Rated	Design	Measures	Results
Steinman/2007¹⁹	Outpatients/VA primary care clinics/ Iowa, USA	196	1582	Cross-sectional	MAI; Beers drugs to avoid	Patients with ≥1 problem meds: Beers 37%, MAI 82%

Lund/2011²⁰	Outpatients/Primary care clinics, Iowa, USA	407	N/A	Observational	MAI; Beers criteria	Non-Beers MAI scores significantly higher in patients also receiving Beers med
Luo/2012²¹	Inpatients/University Hospital, Northern Ireland	Admit: 176 Inpatient: 186 Discharge: 179	Admit: 1378 Inpatient: 1813 Discharge: 1271	Retrospective observational	MAI, Beers, IPET, HEDIS	MAI best at detecting prescribing improvement over time; Beers and IPET acceptable

HEDIS= Healthcare Effectiveness Data and Information Set; IPET=Improving Prescribing in the Elderly Tool; MAI=Medication Appropriateness Index; USA=United States of America; VA=Veterans Affairs