Modeling healthcare data using multiple-channel latent Dirichlet allocation

Journal of Biomedical Informatics
Hsin-Min LuFei-Yuan Hsiao

Abstract

Information and communications technologies have enabled healthcare institutions to accumulate large amounts of healthcare data that include diagnoses, medications, and additional contextual information such as patient demographics. To gain a better understanding of big healthcare data and to develop better data-driven clinical decision support systems, we propose a novel multiple-channel latent Dirichlet allocation (MCLDA) approach for modeling diagnoses, medications, and contextual information in healthcare data. The proposed MCLDA model assumes that a latent health status group structure is responsible for the observed co-occurrences among diagnoses, medications, and contextual information. Using a real-world research testbed that includes one million healthcare insurance claim records, we investigate the utility of MCLDA. Our empirical evaluation results suggest that MCLDA is capable of capturing the comorbidity structures and linking them with the distribution of medications. Moreover, MCLDA is able to identify the pairing between diagnoses and medications in a record based on the assigned latent groups. MCLDA can also be employed to predict missing medications or diagnoses given partial records. Our evaluation results als...Continue Reading

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Citations

Sep 23, 2016·Journal of the American Medical Informatics Association : JAMIA·Jonathan H ChenRuss B Altman
Jul 18, 2019·Journal of the American Medical Informatics Association : JAMIA·Alison E FohnerVincent X Liu
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Jun 21, 2019·International Journal of Environmental Research and Public Health·Bach Xuan TranRoger C M Ho
May 23, 2020·International Journal of Environmental Research and Public Health·Hai Thanh PhanRoger C M Ho
Apr 30, 2020·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Bach Xuan TranRoger C M Ho
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Mar 3, 2020·Dementia and Geriatric Cognitive Disorders·Chi Linh HoangRoger C M Ho

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