Does process quality of inpatient care matter in potentially preventable readmission rates?
2012-08
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Does process quality of inpatient care matter in potentially preventable readmission rates?
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2012-08
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Objective: To examine the association between process quality of inpatient care and risk-adjusted, thirty-day potentially preventable hospital readmission (PPR) rates. Data Sources/Study Setting: This was an observational cross-sectional study of nonfederal acute-care hospitals located in two states California and Florida, discharging Medicare patients with a principal discharge diagnosis of heart failure, acute myocardial infarction, or pneumonia January through December 31, 2007. Data were obtained from the Healthcare Cost and Utilization Project State Inpatient Database of the Agency for Healthcare Research and Quality, Centers for Medicare and Medicaid Services Hospital Compare database, and the American Hospital Association Annual Survey of Hospitals.Study Design: The dependent variable of this study is condition-specific, risk-adjusted, thirty-day potentially preventable hospital readmission (PPR). 3M's PPR software was utilized to determine whether a readmission was potentially preventable. The independent variable of this study is hospital performance for process quality of inpatient care, measured by hospital adherence to recommended processes of care. We used multivariate hierarchical logistic models, clustered by hospitals, to examine the relationship between condition-specific, risk-adjusted, thirty-day PPR rates and process quality of inpatient care, after taking clinical and socio-demographic characteristics of patients and structural and operational characteristics of hospitals into account. Principal Findings: Better performance on the process quality metrics was associated with better patient outcome (i.e., low thirty-day PPR rates) in pneumonia, but not generally in two cardiovascular conditions (i.e., heart failure and acute myocardial infarction). We found no evidence of an interaction between process quality metrics and condition-specific hospital volume with respect to 30-day PPR. Conclusion: Adherence to the process quality metrics currently in use by CMS is associated with risk-adjusted, thirty-day PPR rates for patients with pneumonia, but not with cardiovascular conditions. More evidence-based process quality metrics closely linked to 30-day PPR rates, particularly for cardiovascular conditions, need to be developed.
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University of Minnesota Ph.D. dissertation. August 2012. Major: Health Services Research, Policy and Administration. Advisor: Robert L. Kane, M.D. 1 computer file (PDF); vi, 172 pages, appendix p. 85-172.
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Choi, Jae Young. (2012). Does process quality of inpatient care matter in potentially preventable readmission rates?. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/167033.
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