• J Arthroplasty · Aug 2014

    Comparative Study

    Thirty-day readmission following total hip and knee arthroplasty - a preliminary single institution predictive model.

    • Nathan W Mesko, Keith R Bachmann, David Kovacevic, Mary E LoGrasso, Colin O'Rourke, and Mark I Froimson.
    • Department of Orthopaedic surgery, Vanderbilt University Medical Center. Electronic address: nate.mesko@gmail.com.
    • J Arthroplasty. 2014 Aug 1; 29 (8): 1532-8.

    AbstractWe sought to identify demographic or care process variables associated with increased 30-day readmission within the total hip and knee arthroplasty patient population. Using this information, we generated a model to predict 30-day readmission risk following total hip and knee arthroplasty procedures. Longer index length of stay, discharge disposition to a nursing facility, blood transfusion, general anesthesia, anemia, anticoagulation status prior to index admission, and Charlson Comorbidity Index greater than 2 were identified as independent risk factors for readmission. Care process factors during the hospital stay appear to have a large predictive value for 30-day readmission. Specific comorbidities and patient demographic factors showed less significance. The predictive nomogram constructed for primary total joint readmission had a bootstrap-corrected concordance statistic of 0.76.Copyright © 2014 Elsevier Inc. All rights reserved.

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