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http://dx.doi.org/10.7326/M17-3319 | DOI Listing |
JAMA Intern Med
September 2019
Sol Price School of Public Policy, Department of Health Policy and Management, University of Southern California, Los Angeles.
Importance: Excess 30-day readmissions have declined substantially in hospitals initially penalized for high readmission rates under the Medicare Hospital Readmissions Reduction Program (HRRP). Although a possible explanation is that the policy incentivized penalized hospitals to improve care processes, another is regression to the mean (RTM), a statistical phenomenon that predicts entities farther from the mean in one period are likely to fall closer to the mean in subsequent (or preceding) periods owing to random chance.
Objective: To quantify the contribution of RTM to declining readmission rates at hospitals initially penalized under the HRRP.
N Engl J Med
February 2018
From the Department of General Management, Harvard Business School, Boston, and the Kennedy School of Government, Harvard University, and the National Bureau of Economic Research, Cambridge - all in Massachusetts.
Ann Intern Med
April 2018
Northwestern University Kellogg School of Management, Evanston, Illinois (C.G.).
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