4.7 Article

In-hospital resource utilization prediction from electronic medical records with deep learning

Journal

KNOWLEDGE-BASED SYSTEMS
Volume 223, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.knosys.2021.107052

Keywords

In-hospital resource utilization prediction; Electronic medical records; Neural networks

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This paper proposes a deep in-hospital resource utilization prediction approach to jointly estimate the in-hospital costs and length of stays from patients' admission records via multi-task learning. The approach can effectively utilize heterogeneous information in records and use a multi-view learning framework along with attention networks to better predict resource utilization.
Effective healthcare resource allocation is critical for intelligent medical systems, and accurate in-hospital resource utilization prediction from medical records is a prerequisite. Existing methods for this task usually rely on manual feature engineering which needs massive domain knowledge, and do not exploit the textual information in electronic medical records, e.g., diagnosis and operation texts. In this paper, we propose a deep in-hospital resource utilization prediction approach to jointly estimate the in-hospital costs and length of stays from patients' admission records via multi-task learning. Our approach can exploit the heterogeneous information in records, such as patient features, diagnosis/operation texts, and the diagnosis/operation IDs, via a multi-view learning framework, where Transformers are used to learn the representations of words, diagnoses and operations. In addition, we design a diagnosis-operation attention network to capture the relations between diagnoses and operations. Besides, since different words, diagnoses and operations have different importance for cost estimation, we incorporate a hierarchical attention network to select important words, diagnoses and operations for learning informative record representations. Extensive experiments on a real-world medical dataset validate the effectiveness of our approach. (C) 2021 Elsevier B.V. All rights reserved.

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