Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/7149
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dc.contributor.authorKrishnan, G.S.-
dc.contributor.authorSowmya, Kamath S.-
dc.date.accessioned2020-03-30T09:58:33Z-
dc.date.available2020-03-30T09:58:33Z-
dc.date.issued2018-
dc.identifier.citationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2018, Vol.10859 LNCS, , pp.126-134en_US
dc.identifier.urihttps://idr.nitk.ac.in/jspui/handle/123456789/7149-
dc.description.abstractExtracting patient data documented in text-based clinical records into a structured form is a predominantly manual process, both time and cost-intensive. Moreover, structured patient records often fail to effectively capture the nuances of patient-specific observations noted in doctors� unstructured clinical notes and diagnostic reports. Automated techniques that utilize such unstructured text reports for modeling useful clinical information for supporting predictive analytics applications can thus be highly beneficial. In this paper, we propose a neural network based method for predicting mortality risk of ICU patients using unstructured Electrocardiogram (ECG) text reports. Word2Vec word embedding models were adopted for vectorizing and modeling textual features extracted from the patients� reports. An unsupervised data cleansing technique for identification and removal of anomalous data/special cases was designed for optimizing the patient data representation. Further, a neural network model based on Extreme Learning Machine architecture was proposed for mortality prediction. ECG text reports available in the MIMIC-III dataset were used for experimental validation. The proposed model when benchmarked against four standard ICU severity scoring methods, outperformed all by 10�13%, in terms of prediction accuracy. � 2018, Springer International Publishing AG, part of Springer Nature.en_US
dc.titleA supervised learning approach for ICU mortality prediction based on unstructured electrocardiogram text reportsen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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