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Letter to the Editor| Volume 167, ISSUE 3, P676, March 2020

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Reply: Accurate preoperative prediction of unplanned 30-day postoperative readmission using 8 predictor variables

  • William G. Henderson
    Affiliations
    Surgical Outcomes & Applied Research Program, Department of Surgery, University of Colorado School of Medicine, Aurora
    Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora
    Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora
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  • Robert A. Meguid
    Correspondence
    Corresponding author.
    Affiliations
    Surgical Outcomes & Applied Research Program, Department of Surgery, University of Colorado School of Medicine, Aurora
    Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora
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  • Karl E. Hammermeister
    Affiliations
    Surgical Outcomes & Applied Research Program, Department of Surgery, University of Colorado School of Medicine, Aurora
    Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora
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  • Abhinav B. Singh
    Affiliations
    Surgical Outcomes & Applied Research Program, Department of Surgery, University of Colorado School of Medicine, Aurora
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Published:October 31, 2019DOI:https://doi.org/10.1016/j.surg.2019.08.016
      The review of our report, “Accurate preoperative prediction of unplanned 30-day postoperative readmission using 8 predictor variables,”
      • Gibula D.R.
      • Singh A.B.
      • Bronsert M.R.
      • et al.
      Accurate preoperative prediction of unplanned 30-day postoperative readmission using 8 predictor variables.
      by Karimi, Pourmehdi, and Nader
      • Karimi S.
      • Pourmehdi M.
      • Naderi M.
      Accurate preoperative prediction of unplanned, 30-day postoperative readmission using 8 predictor variables: Methodological issues.
      makes three methodologic points:
      • We should have developed and validated the models using two different groups.
      • Interactions, particularly qualitative interactions, between important variables should have been evaluated.
      • The pattern of the missing data should have been taken into account.
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      References

        • Gibula D.R.
        • Singh A.B.
        • Bronsert M.R.
        • et al.
        Accurate preoperative prediction of unplanned 30-day postoperative readmission using 8 predictor variables.
        Surgery. 2019; 166: 812-819
        • Karimi S.
        • Pourmehdi M.
        • Naderi M.
        Accurate preoperative prediction of unplanned, 30-day postoperative readmission using 8 predictor variables: Methodological issues.
        Surgery. 2020; 167: 675
        • Meguid R.A.
        • Bronsert M.R.
        • Juarez-Colunga E.
        • et al.
        Surgical risk preoperative assessment system (SURPAS). II. Parsimonious risk models for postoperative adverse outcomes addressing need for laboratory variables and surgeon specialty-specific models.
        Ann Surg. 2016; 264: 10-22
        • Meguid R.A.
        • Bronsert M.R.
        • Juarez-Colunga E.
        • et al.
        Surgical risk preoperative assessment system (SURPAS). III. Accurate preoperative prediction of 8 adverse outcomes using 8 predictor variables.
        Ann Surg. 2016; 264: 23-31

      Linked Article

      • Accurate preoperative prediction of unplanned, 30-day postoperative readmission using 8 predictor variables: Methodological issues
        SurgeryVol. 167Issue 3
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          We would like to thank Gibula et al for their study developing the accurate preoperative prediction of unplanned, 30-day postoperative readmission using 8 predictor variables.1 They were pursuing this goal in their study that developed and implemented the Surgical Risk Preoperative Assessment System (SURPAS), which uses just 8 preoperative predictor variables to estimate the risk of 11 adverse outcomes across a broad spectrum of surgical specialties. Preliminary analyses were performed using 28 preoperative variables to determine which factors showed a bivariable association with unplanned, related 30-day hospital readmission.
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