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Good health"},"provenance":null},{"subject":{"scheme":"keyword","value":"Machine Learning"},"provenance":null},{"subject":{"scheme":"FOS","value":"03 medical and health sciences"},"provenance":null},{"subject":{"scheme":"FOS","value":"0302 clinical medicine"},"provenance":null},{"subject":{"scheme":"SDG","value":"13. Climate action"},"provenance":null},{"subject":{"scheme":"keyword","value":"Medicine"},"provenance":null},{"subject":{"scheme":"keyword","value":"Humans"},"provenance":null},{"subject":{"scheme":"keyword","value":"Female"},"provenance":null},{"subject":{"scheme":"keyword","value":"Hospital Mortality"},"provenance":null},{"subject":{"scheme":"keyword","value":"Emergency Service, Hospital"},"provenance":null},{"subject":{"scheme":"keyword","value":"Pandemics"},"provenance":null},{"subject":{"scheme":"keyword","value":"Research Article"},"provenance":null},{"subject":{"scheme":"keyword","value":"Aged"},"provenance":null},{"subject":{"scheme":"keyword","value":"Retrospective Studies"},"provenance":null}],"mainTitle":"Machine learning methods to predict mechanical ventilation and mortality in patients with COVID-19","subTitle":null,"descriptions":["<jats:sec id=\"sec001\"> <jats:title>Background</jats:title> <jats:p>The Coronavirus disease 2019 (COVID-19) pandemic has affected millions of people across the globe. It is associated with a high mortality rate and has created a global crisis by straining medical resources worldwide.</jats:p> </jats:sec> <jats:sec id=\"sec002\"> <jats:title>Objectives</jats:title> <jats:p>To develop and validate machine-learning models for prediction of mechanical ventilation (MV) for patients presenting to emergency room and for prediction of in-hospital mortality once a patient is admitted.</jats:p> </jats:sec> <jats:sec id=\"sec003\"> <jats:title>Methods</jats:title> <jats:p>Two cohorts were used for the two different aims. 1980 COVID-19 patients were enrolled for the aim of prediction ofMV. 1036 patients’ data, including demographics, past smoking and drinking history, past medical history and vital signs at emergency room (ER), laboratory values, and treatments were collected for training and 674 patients were enrolled for validation using XGBoost algorithm. For the second aim to predict in-hospital mortality, 3491 hospitalized patients via ER were enrolled. CatBoost, a new gradient-boosting algorithm was applied for training and validation of the cohort.</jats:p> </jats:sec> <jats:sec id=\"sec004\"> <jats:title>Results</jats:title> <jats:p>Older age, higher temperature, increased respiratory rate (RR) and a lower oxygen saturation (SpO2) from the first set of vital signs were associated with an increased risk of MV amongst the 1980 patients in the ER. The model had a high accuracy of 86.2% and a negative predictive value (NPV) of 87.8%. While, patients who required MV, had a higher RR, Body mass index (BMI) and longer length of stay in the hospital were the major features associated with in-hospital mortality. The second model had a high accuracy of 80% with NPV of 81.6%.</jats:p> </jats:sec> <jats:sec id=\"sec005\"> <jats:title>Conclusion</jats:title> <jats:p>Machine learning models using XGBoost and catBoost algorithms can predict need for mechanical ventilation and mortality with a very high accuracy in COVID-19 patients.</jats:p> </jats:sec>"],"publicationDate":"2021-04-01","publisher":"Public Library of Science (PLoS)","embargoEndDate":null,"sources":["Crossref","PLoS One","PLoS ONE, Vol 16, Iss 4, p e0249285 (2021)"],"formats":null,"contributors":null,"coverages":null,"bestAccessRight":{"code":"c_abf2","label":"OPEN","scheme":"http://vocabularies.coar-repositories.org/documentation/access_rights/"},"container":{"name":"PLOS 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