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Did Hospital Readmissions Fall Because Per Capita Admission Rates Fell?
J Michael McWilliams1, Michael L Barnett2, Eric T Roberts3
1J. Michael McWilliams ( mcwilliams@hcp. med. harvard. edu ) is the Warren Alpert Foundation Professor of Health Care Policy, Department of Health Care Policy, Harvard Medical School, in Boston, Massachusetts.
Abstract:
Recent reductions in hospital readmission rates have been attributed to the Hospital Readmissions Reduction Program. However, admission rates also declined during the same period. We found that because the probability of an admission occurring soon after another is lower when there are fewer admissions per patient, the reduction in admission rates may explain much of the reduction in readmission rates.
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