Federated Learning for Multi-Center Sepsis Early Prediction with Privacy-Preserving

• URL: http://arxiv.org/abs/2606.04338v1
• Date: Wed, 03 Jun 2026 01:35:17 GMT
• Title: Federated Learning for Multi-Center Sepsis Early Prediction with Privacy-Preserving
• Abstract summary: Federated learning allows multiple institutions to jointly train predictive models without directly sharing or centralizing raw data.<n>This study systematically examines the application of federated learning to multi-center sepsis prediction.
• Score: 9.744444068585983
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Privacy-sensitive and distributed characteristics of multi-center medical data bring severe obstacles to centralized modeling for accurate early prediction of sepsis. Federated learning (FL) has attracted growing attention as a promising framework for collaborative model development, as it allows multiple institutions to jointly train predictive models without directly sharing or centralizing raw data. Nevertheless, its practical performance, robustness, and privacy-preserving benefits remain insufficiently evaluated using real-world clinical datasets. To bridge this gap, this study systematically examines the application of federated learning to multi-center sepsis prediction. The experimental dataset consists of 648 clinically screened samples collected from three tertiary hospitals in China, with rigorous inclusion and exclusion criteria. We establish a centralized training paradigm as the performance baseline, and then implement a horizontal federated learning framework for distributed collaborative modeling. Extensive experimental results demonstrate that the federated learning-based model achieves highly comparable prediction accuracy to the centralized counterpart, while fundamentally avoiding privacy leakage. Further privacy security analysis verifies that malicious attackers cannot reconstruct the original patient data from the transmitted model parameters, indicating strong resistance against data reconstruction attacks. This work not only validates the practicality and security of federated learning in clinical sepsis prediction, but also provides a reliable and feasible solution for privacy-preserving multi-center medical collaboration.

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