A High-Fidelity Model to Predict Length of Stay in the Neonatal Intensive Care Unit

Kanix Wang (), Walid Hussain (), John Birge, Michael D. Schreiber () and Daniel Adelman ()
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Kanix Wang: Booth School of Business, The University of Chicago, Chicago, Illinois 60637
Walid Hussain: Section of Neonatology, Department of Pediatrics, The University of Chicago, Chicago, Illinois 60637
Michael D. Schreiber: Section of Neonatology, Department of Pediatrics, The University of Chicago, Chicago, Illinois 60637
Daniel Adelman: Booth School of Business, The University of Chicago, Chicago, Illinois 60637

INFORMS Journal on Computing, 2022, vol. 34, issue 1, 183-195

Abstract: Having an interpretable, dynamic length-of-stay model can help hospital administrators and clinicians make better decisions and improve the quality of care. The widespread implementation of electronic medical record (EMR) systems has enabled hospitals to collect massive amounts of health data. However, how to integrate this deluge of data into healthcare operations remains unclear. We propose a framework grounded in established clinical knowledge to model patients’ lengths of stay. In particular, we impose expert knowledge when grouping raw clinical data into medically meaningful variables that summarize patients’ health trajectories. We use dynamic, predictive models to output patients’ remaining lengths of stay, future discharges, and census probability distributions based on their health trajectories up to the current stay. Evaluated with large-scale EMR data, the dynamic model significantly improves predictive power over the performance of any model in previous literature and remains medically interpretable. Summary of Contribution: The widespread implementation of electronic health systems has created opportunities and challenges to best utilize mounting clinical data for healthcare operations. In this study, we propose a new approach that integrates clinical analysis in generating variables and implementations of computational methods. This approach allows our model to remain interpretable to the medical professionals while being accurate. We believe our study has broader relevance to researchers and practitioners of healthcare operations.

Keywords: healthcare; hospitals; statistics; nonparametric; computational methods (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:inm:orijoc:v:34:y:2022:i:1:p:183-195

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