Insulin4RL: Real-Time Insulin Management in the Intensive Care Unit for Offline Reinforcement Learning
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Computer Science > Machine Learning
Title:Insulin4RL: Real-Time Insulin Management in the Intensive Care Unit for Offline Reinforcement Learning
Abstract:Offline reinforcement learning (ORL) offers the potential to improve the quality of clinical decision-making using historical electronic health record (EHR) data. Current training and evaluative practices in this field rely heavily on EHR datasets that have been temporally discretised into fixed, regular time intervals. Discretisation creates fictional representations of complex clinical scenarios and compromises the generalisability of retrospective model evaluations. In this paper, we introduce Insulin4RL, a healthcare ORL dataset featuring naturally irregular inputs and actions from real clinical trajectories. Derived from MIMIC-IV, Insulin4RL comprises over 375,000 labelled decisions across 12,209 patients requiring insulin infusion titration in the Intensive Care Unit. The dataset can thus be used for research into ORL model performance under realistic clinical sampling assumptions. We provide a description of the dataset's structure and characteristics, baseline performance metrics using model-free offline reinforcement learning, and a standardised evaluation protocol using fitted Q-evaluation. We conclude with suggested areas for future research that could be addressed using this resource.
| Comments: | Under submission |
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2606.19481 [cs.LG] |
| (or arXiv:2606.19481v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2606.19481
arXiv-issued DOI via DataCite (pending registration)
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