Journal
HEALTH AFFAIRS
Volume 40, Issue 2, Pages 251-257Publisher
PROJECT HOPE
DOI: 10.1377/hlthaff.2020.00670
Keywords
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Funding
- Agency for Healthcare Research and Quality [1R01HS025408-01]
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Even within the same hospital, there is significant variation in hospital admission rates among emergency department physicians, despite little change in predicted admission risk based on patient characteristics. This suggests that strategies targeting physician decision making could be effective in modifying admission rates.
Hospitalizations account for the largest share of health care spending. New payment models increasingly encourage health care providers to reduce hospital admissions. Although emergency department (ED) physicians play a major role in the decision to admit a patient, the extent to which admission rates vary among ED physicians even within the same hospital remains poorly understood. In this study we examined physician-level variation in ED admission rates for Medicare patients. We found meaningful variation in admission rates: The mean physician-level adjusted admission rate was 38.9 percent and ranged from 32.2 percent to 45.6 percent for physicians at the tenth and ninetieth percentiles, respectively, of the estimated distribution within the same hospital. In contrast, the predicted risk for admission based on patient characteristics varied little among these physicians, suggesting that the variation in admission rates was not due to differences in patients seen. Our results suggest that strategies targeting physician decision making could modify (by either increasing or decreasing when appropriate) rates of admissions.
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