Novel Representation Learning Improves Personalizing Blood Test Ranges and Disease Risk Prediction
Research Square (Research Square)(2023)
Abstract
Abstract Blood tests are an essential tool for healthcare providers to diagnose, monitor, and treat a wide range of medical conditions. however, quantitative approaches for personalizing such metrics are nascent and often ignore important factors such as health behaviors. Moreover, recent studies have shown that raw (untransformed) representations of health records are inadequate for constructing predictive models, especially when considering a single time point. Here, we investigate the association of activity and sleep with blood biomarker ranges, and based on our results, propose Proteus, a new deep metric learning algorithm that accounts for health behaviors. We show that Proteus significantly improves the performance of several downstream analyses, including the prediction of future health risk in currently-healthy patients using a single laboratory visit. Building upon our findings, we additionally introduce DeepRange, a novel lifestyle-informed algorithm, which utilizes deep-learned embeddings for estimating personalized optimal blood test ranges. Our proposed methodology for personalized blood biomarker ranges and single-visit health risk prediction can be readily implemented and has the potential to significantly improve health outcomes by enabling early intervention and enhanced personalization.
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Key words
disease risk prediction,blood test ranges,representation
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