By September 2022, more than 600 million cases of SARS-CoV-2 infection have been reported globally, resulting in over 6.5 million deaths. COVID-19 mortality risk estimators are often, however, developed with small unrepresentative samples and with methodological limitations. It is highly important to develop predictive tools for pulmonary embolism (PE) in COVID-19 patients as one of the most severe preventable complications of COVID-19. Early recognition can help provide life-saving targeted anti-coagulation therapy right at admission. Using a dataset of more than 800,000 COVID-19 patients from an international cohort, we propose a cost-sensitive gradient-boosted machine learning model that predicts occurrence of PE and death at admission. Logistic regression, Cox proportional hazards models, and Shapley values were used to identify key predictors for PE and death. Our prediction model had a test AUROC of 75.9% and 74.2%, and sensitivities of 67.5% and 72.7% for PE and all-cause mortality respectively on a highly diverse and held-out test set. The PE prediction model was also evaluated on patients in UK and Spain separately with test results of 74.5% AUROC, 63.5% sensitivity and 78.9% AUROC, 95.7% sensitivity. Age, sex, region of admission, comorbidities (chronic cardiac and pulmonary disease, dementia, diabetes, hypertension, cancer, obesity, smoking), and symptoms (any, confusion, chest pain, fatigue, headache, fever, muscle or joint pain, shortness of breath) were the most important clinical predictors at admission. Age, overall presence of symptoms, shortness of breath, and hypertension were found to be key predictors for PE using our extreme gradient boosted model. This analysis based on the, until now, largest global dataset for this set of problems can inform hospital prioritisation policy and guide long term clinical research and decision-making for COVID-19 patients globally. Our machine learning model developed from an international cohort can serve to better regulate hospital risk prioritisation of at-risk patients.

At-admission prediction of mortality and pulmonary embolism in an international cohort of hospitalised patients with COVID-19 using statistical and machine learning methods / M. Mesinovic, X.C. Wong, G.S. Rajahram, B.W. Citarella, K.M. Peariasamy, F. Van Someren Greve, P. Olliaro, L. Merson, L. Clifton, C. Kartsonaki, N. Null, S.A. Abdukahil, N.N. Abdulkadir, R. Abe, L. Abel, A. Abrous, L. Absil, A. Acker, S. Adachi, E. Adam, E. Adriano, D. Adrião, S.A. Ageel, S. Ahmed, M. Aiello, K. Ainscough, E. Airlangga, T. Aisa, A.A. Hssain, Y.A. Tamlihat, T. Akimoto, E. Akmal, E.A. Qasim, R. Alalqam, A. Alberti, T. Al-dabbous, S. Alegesan, C. Alegre, M. Alessi, B. Alex, K. Alexandre, A. Al-Fares, H. Alfoudri, A. Ali, I. Ali, K.E. Alidjnou, J. Aliudin, Q. Alkhafajee, C. Allavena, N. Allou, J. Alves, J.M. Alves, R. Alves, J.A. Cabrita, M. Amaral, N. Amira, H. Ammerlaan, P. Ampaw, R. Andini, C. Andréjak, A. Angheben, F. Angoulvant, S. Ansart, S. Anthonidass, M. Antonelli, C.A.A. De Brito, K.R. 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Null. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 14:1(2024 Jul). [10.1038/s41598-024-63212-7]

At-admission prediction of mortality and pulmonary embolism in an international cohort of hospitalised patients with COVID-19 using statistical and machine learning methods

S.M. Colombo;
2024

Abstract

By September 2022, more than 600 million cases of SARS-CoV-2 infection have been reported globally, resulting in over 6.5 million deaths. COVID-19 mortality risk estimators are often, however, developed with small unrepresentative samples and with methodological limitations. It is highly important to develop predictive tools for pulmonary embolism (PE) in COVID-19 patients as one of the most severe preventable complications of COVID-19. Early recognition can help provide life-saving targeted anti-coagulation therapy right at admission. Using a dataset of more than 800,000 COVID-19 patients from an international cohort, we propose a cost-sensitive gradient-boosted machine learning model that predicts occurrence of PE and death at admission. Logistic regression, Cox proportional hazards models, and Shapley values were used to identify key predictors for PE and death. Our prediction model had a test AUROC of 75.9% and 74.2%, and sensitivities of 67.5% and 72.7% for PE and all-cause mortality respectively on a highly diverse and held-out test set. The PE prediction model was also evaluated on patients in UK and Spain separately with test results of 74.5% AUROC, 63.5% sensitivity and 78.9% AUROC, 95.7% sensitivity. Age, sex, region of admission, comorbidities (chronic cardiac and pulmonary disease, dementia, diabetes, hypertension, cancer, obesity, smoking), and symptoms (any, confusion, chest pain, fatigue, headache, fever, muscle or joint pain, shortness of breath) were the most important clinical predictors at admission. Age, overall presence of symptoms, shortness of breath, and hypertension were found to be key predictors for PE using our extreme gradient boosted model. This analysis based on the, until now, largest global dataset for this set of problems can inform hospital prioritisation policy and guide long term clinical research and decision-making for COVID-19 patients globally. Our machine learning model developed from an international cohort can serve to better regulate hospital risk prioritisation of at-risk patients.
Settore MEDS-23/A - Anestesiologia
   EPSRC Centre for Doctoral Training in Health Data Science
   UK Research and Innovation
   EPSRC
   EP/S02428X/1

   Rapid European SARS-CoV-2 Emergency research Response
   RECoVER
   European Commission
   Horizon 2020 Framework Programme
   101003589

   European Clinical Research Alliance on Infectious Diseases
   ECRAID-Base
   European Commission
   Horizon 2020 Framework Programme
   965313

   Norwegian SARS-CoV-2 study – Virological, clinical and immunological characterisation of inpatients during the COVID-19 outbreak
   The Research Council of Norway
   BEHANDLING
   312780

   ARC Centres of Excellence - Grant ID: CE170100009
   Australian Research Council (ARC)
   ARC Centres of Excellence
   CE170100009

   ISARIC - Coronavirus Clinical Characterisation Consortium (ISARIC-4C)
   UK Research and Innovation
   MRC
   MC_PC_19059
lug-2024
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/1190638
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