• Christopher Q Lin, Christopher A Jin, David Ivanov, Christian A Gonzalez, and Michael J Gardner.
• Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, CA, USA. Electronic address: cqlin@stanford.edu.
• Injury. 2024 Mar 1; 55 (3): 111334111334.

BackgroundHip fractures are one of the most common injuries experienced by the general population. Despite advances in surgical techniques, postoperative mortality rates remain high. identifying relevant clinical factors associated with mortality is essential to preoperative risk stratification and tailored post-surgical interventions to improve patient outcomes. The purpose of this study aimed to identify preoperative risk factors and develop predictive models for increased hip fracture-related mortality within 30 days post-surgery, using one of the largest patient cohorts to date.MethodsData from the American College of Surgeons National Surgical Quality Improvement Program database, comprising 107,660 hip fracture patients treated with surgical fixation was used. A penalized regression approach, least absolute shrinkage and selection operator was employed to develop two predictive models: one using preoperative factors and the second incorporating both preoperative and postoperative factors.ResultsThe analysis identified 68 preoperative factor outcomes associated with 30-day mortality. The combined model revealed 84 relevant factors, showing strong predictive power for determining postoperative mortality, with an AUC of 0.83.ConclusionsThe study's comprehensive methodology provides risk assessment tools for clinicians to identify high-risk patients and optimize patient-specific care.Copyright © 2024. Published by Elsevier Ltd.

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