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DeepAlerts: Deep Learning Based Multi-Horizon Alerts for Clinical Deterioration on Oncology Hospital Wards

AAAI 2020 · Label-efficient and robust learning › Recognition and long-tail · approach: Dense features and foundation priors · 12 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add graph-Laplacian prior knowledge regularization over task-specific layers (ablation)deep multi-task network (DMNN) · 24-hour alert, oncology EHRsensitivity: .4944 -> .5400Helped
add graph-Laplacian prior knowledge regularization (ablation)deep multi-task network (DMNN) · Alert sequence concordancesequence concordance: .9542 -> .9814Helped
add graph-Laplacian prior knowledge regularization (ablation)deep multi-task network (DMNN) · 6-hour alertAUROC: .9144 -> .9142No clear effect
add task-specific loss balancing (ablation)deep multi-task network (DMNN) · 24-hour alertsensitivity: .4944 -> .5215Helped
add task-specific loss balancing (ablation)deep multi-task network (DMNN) · 48-hour alertprecision: .6220 -> .6566Helped
add loss balancing on top of prior knowledge regularization (ablation)DMNNp · 24-hour alertsensitivity: .5400 -> .5419No clear effect
add loss balancing on top of prior knowledge regularization (ablation)DMNNp · Alert sequence concordancesequence concordance: .9814 -> .9817No clear effect
use multi-task network instead of single-task DNNdeep network · 24-hour alertAUROC: .9263 -> .9478Helped
use multi-task network instead of single-task DNNdeep network · Alert sequence concordancesequence concordance: .7548 -> .9542Helped
use DMNNpb instead of gradient boosted treesoncology deterioration alert · 24-hour alertprecision: .6668 -> .7062Helped

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