J Am Geriatr Soc. 2012 Jul;60(7):1222-9. doi: 10.1111/j.1532-5415.2012.04042.x. Epub 2012 Jun 21.
Facility-level variation in potentially inappropriate prescribing for older veterans.
SourceCenter for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania 15206, USA. email@example.com
OBJECTIVES:To describe facility-level variation in two measures of potentially inappropriate prescribing prevalent in Veterans Affairs (VA) facilities-exposure to high-risk medications in elderly adults (HRME) and drug-disease interactions (Rx-DIS)-and to identify facility characteristics associated with high-quality prescribing.
SETTING:VA Healthcare System.
PARTICIPANTS:Veterans aged 65 and older with at least one inpatient or outpatient visit in 2005-2006 (N = 2,023,477; HRME exposure) and a subsample with a history of falls or hip fractures, dementia, or chronic renal failure (n = 305,059; Rx-DIS exposure).
MEASUREMENTS:Incident use of any HRME (iHRME) and incident Rx-DIS (iRx-DIS) and facility-level rates and facility-level predictors of iHRME and iRx-DIS exposure, adjusting for differences in patient characteristics.
RESULTS:Overall, 94,692 (4.7%) veterans had iHRME exposure. At the facility level, iHRME exposure ranged from 1.6% at the lowest facility to 12.8% at the highest (median 4.7%). In the subsample, 9,803 (3.2%) veterans had iRx-DIS exposure, with a facility-level range from 1.3% to 5.8% (median 3.2%). In adjusted analyses, veterans seen in facilities with formal geriatric education had lower odds of iHRME (odds ratio (OR) = 0.86, 95% confidence interval (CI) = 0.77-0.96) and iRx-DIS (OR = 0.95, 95% CI = 0.88-1.01). Patients seen in facilities caring for fewer older veterans had greater odds of iHRME (OR = 1.54, 95% CI = 1.35-1.75) and iRx-DIS exposure (OR = 1.22, 95% CI = 1.11-1.33).
CONCLUSION:Substantial variation in the quality of prescribing for older adults exists across VA facilities, even after adjusting for patient characteristics. Higher-quality prescribing is found in facilities caring for a larger number of older veterans and facilities with formal geriatric education.
© 2012, Copyright the Authors Journal compilation © 2012, The American Geriatrics Society.
- [PubMed - indexed for MEDLINE]
- [Available on 2013/7/1]
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