Abstract
The importance of increasing cost efficiency for community hospitals in the United States has been underscored by the Great Recession and the ever-changing health care reimbursement environment. Previous studies have shown mixed evidence with regards to the relationship between linking hospitals’ reimbursement to quality of care and cost efficiency. Moreover, current evidence suggests that not only inherently financially disadvantaged hospitals (e.g., safety-net providers), but also more financially stable providers, experienced declines to their financial viability throughout the recession. However, little is known about how hospital cost efficiency fared throughout the Great Recession. This study contributes to the literature by using stochastic frontier analysis to analyze cost inefficiency of Washington State hospitals between 2005 and 2012, with controls for patient burden of illness, hospital process of care quality, and hospital outcome quality. The quality measures included in this study function as central measures for the determination of recently implemented pay-for-performance programs. The average estimated level of hospital cost inefficiency before the Great Recession (10.4 %) was lower than it was during the Great Recession (13.5 %) and in its aftermath (14.1 %). Further, the estimated coefficients for summary process of care quality indexes for three health conditions (acute myocardial infarction, pneumonia, and heart failure) suggest that higher quality scores are associated with increased cost inefficiency.
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Notes
Under HVBP, CMS reduces all participating hospitals’ base operating Diagnosis Related Groups (DRG) payment amounts by a fixed percentage at the beginning of each fiscal year to set aside for later redistribution based on hospital performance. The hospitals’ final adjustment factors determine how much of the initial reduction they each earn back. The HRRP program is designed to diminish hospitals’ monetary gain from inappropriate readmissions pertaining to specific medical conditions. In FY 2013, hospitals received adjustment factors based on their excess thirty-day risk-adjusted readmission rates related to heart attack, heart failure, and pneumonia cases. CMS uses the adjustment factors to determine the proportion of the hospitals’ base operating DRG payments they will be returning each hospital for that year.
See section 6.1 for further discussion of the BPF.
See section 6.2 for discussion of the probability distribution function of this error term.
See section 6.3 for more details about assumptions of the structure of the cost function.
The results of the estimation do not depend on the input price chosen for normalization.
The estimated coefficients assuming a Cobb-Douglas cost function for the output and input variables are positive and significant (p < 0.05).
Scale efficiency refers to the level of output that minimizes the average cost of producing one unit of output [58].
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Izón, G.M., Pardini, C.A. Cost inefficiency under financial strain: a stochastic frontier analysis of hospitals in Washington State through the Great Recession. Health Care Manag Sci 20, 232–245 (2017). https://doi.org/10.1007/s10729-015-9349-8
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DOI: https://doi.org/10.1007/s10729-015-9349-8