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- W2912995150 abstract "Padua linear model is widely used for the risk assessment of venous thromboembolism (VTE), which is a common and preventable complication for inpatients. However, differences of race, genetics and environment between Western and Chinese population limit Padua model' validity in Chinese patients. Extracting VTE risk factors from unstructured medical records in Chinese hospital can help to understand VTE events and develop efficient risk assessment model. In this study, we proposed an ontology-based method to mine VTE risk factors combining natural language processing (NLP) and machine learning (ML) methods. Medical records of 3106 inpatients were processed and terms in multiple ontologies from various sections of records enriched in VTE patients were sorted automatically. Then ML methods were used to estimate terms' importance and terms within admitting diagnosis and progress notes showed better VTE prediction performance than other sections. Finally a novel VTE prediction model was built based on selected terms and showed higher AUC score (0.815) than the Padua model (0.789)." @default.
- W2912995150 created "2019-02-21" @default.
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- W2912995150 date "2018-12-01" @default.
- W2912995150 modified "2023-10-17" @default.
- W2912995150 title "Ontology-based Venous Thromboembolism Risk Factors Mining and Model Developing from Medical Records" @default.
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- W2912995150 doi "https://doi.org/10.1109/bibm.2018.8621480" @default.
- W2912995150 hasPublicationYear "2018" @default.
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