Early Prediction of Sepsis: Feature-Aligned Transfer Learning

• URL: http://arxiv.org/abs/2505.02889v1
• Date: Mon, 05 May 2025 17:59:34 GMT
• Title: Early Prediction of Sepsis: Feature-Aligned Transfer Learning
• Authors: Oyindolapo O. Komolafe, Zhimin Mei, David Morales Zarate, Gregory William Spangenberg,
• Abstract summary: Sepsis is a life threatening medical condition that occurs when the body has an extreme response to infection.<n>Current diagnostic methods often identify sepsis only after significant damage has already occurred.<n>Our project aims to develop a machine learning based system to predict sepsis in its early stages.
• Score: 0.0
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: Sepsis is a life threatening medical condition that occurs when the body has an extreme response to infection, leading to widespread inflammation, organ failure, and potentially death. Because sepsis can worsen rapidly, early detection is critical to saving lives. However, current diagnostic methods often identify sepsis only after significant damage has already occurred. Our project aims to address this challenge by developing a machine learning based system to predict sepsis in its early stages, giving healthcare providers more time to intervene. A major problem with existing models is the wide variability in the patient information or features they use, such as heart rate, temperature, and lab results. This inconsistency makes models difficult to compare and limits their ability to work across different hospitals and settings. To solve this, we propose a method called Feature Aligned Transfer Learning (FATL), which identifies and focuses on the most important and commonly reported features across multiple studies, ensuring the model remains consistent and clinically relevant. Most existing models are trained on narrow patient groups, leading to population bias. FATL addresses this by combining knowledge from models trained on diverse populations, using a weighted approach that reflects each models contribution. This makes the system more generalizable and effective across different patient demographics and clinical environments. FATL offers a practical and scalable solution for early sepsis detection, particularly in hospitals with limited resources, and has the potential to improve patient outcomes, reduce healthcare costs, and support more equitable healthcare delivery.

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