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Hospital Readmission and Costs of Total Knee Replacement Surgery in 2009 and 2014

Potential Implications for Health Care Managers

Cary, Michael P. Jr, PhD, RN; Goode, Victoria, PhD, CRNA; Crego, Nancy, PhD, RN; Thornlow, Deirdre, PhD, RN; Colón-Emeric, Cathleen, MD, MHS; van Houtven, Courtney, PhD; Merwin, Elizabeth I., PhD, RN

doi: 10.1097/HCM.0000000000000246

The purpose of this article is to describe changes in hospital readmissions and costs for US hospital patients who underwent total knee replacement (TKR) in 2009 and 2014. Data came from the Healthcare Cost and Utilization Project net-Nationwide Readmissions Database. Compared with 2009, overall 30-day rates of readmissions after TKR decreased by 15% in 2014. Rates varied by demographics: readmission rates were lower for younger patients, males, Medicare recipients, and those with higher incomes. Overall, costs rose 20% across TKR groups. This report is among the first to describe changes in hospital readmissions and costs for TKR patients in a national sample of US acute care hospitals. Findings offer hospital managers a mechanism to benchmark their facilities' performances.

Author Affiliations: Duke University School of Nursing (Drs Cary, Goode, Crego, Thornlow, and Merwin); Geriatric Research, Education and Clinical Center, Durham Veterans Affairs Medical Center (Dr Colón-Emeric); and Department of Medicine, Duke University School of Medicine (Drs Colón-Emeric and van Houtven), Durham, North Carolina.

This study was supported by a research grant from the National Center for Advancing Translational Sciences of the National Institutes of Health under award number 5KL2TR001115. C.C.-E. is funded, in part, by 2P30AG028716-06 and K24 AG049077-01A1. E.I.M. is funded, in part, by 5R01MD010354-02.

The authors have no conflicts of interest to disclose.

The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

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Correspondence: Victoria Goode, PhD, CRNA, Duke University School of Nursing, DUMC 3322, 307 Trent Dr, Durham, NC 27710 (

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