Article

A Multimodal Machine Learning Model for Predicting Prolonged Hospital Stay After Total Hip and Knee Arthroplasty：Development, Internal Validation, and External Validation in MIMIC-IV

2026-09-01

Abstract excerpt

<title>Abstract</title> <p>Background Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are highly effective procedures, but prolonged postoperative hospital stay remains a persistent clinical and economic concern. Existing prediction models predominantly rely on structured preoperative data, while the diagnostic narratives embedded in medical records are largely underused. We therefore developed an...

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Literature Corpus work: 13a9cb32-499b-5955-b49a-7fe160793c8c
DOI: 10.21203/rs.3.rs-10673621/v1

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