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- Title
Integrating deep learning CT-scan model, biological and clinical variables to predict severity of COVID-19 patients.
- Authors
Lassau, Nathalie; Ammari, Samy; Chouzenoux, Emilie; Gortais, Hugo; Herent, Paul; Devilder, Matthieu; Soliman, Samer; Meyrignac, Olivier; Talabard, Marie-Pauline; Lamarque, Jean-Philippe; Dubois, Remy; Loiseau, Nicolas; Trichelair, Paul; Bendjebbar, Etienne; Garcia, Gabriel; Balleyguier, Corinne; Merad, Mansouria; Stoclin, Annabelle; Jegou, Simon; Griscelli, Franck
- Abstract
The SARS-COV-2 pandemic has put pressure on intensive care units, so that identifying predictors of disease severity is a priority. We collect 58 clinical and biological variables, and chest CT scan data, from 1003 coronavirus-infected patients from two French hospitals. We train a deep learning model based on CT scans to predict severity. We then construct the multimodal AI-severity score that includes 5 clinical and biological variables (age, sex, oxygenation, urea, platelet) in addition to the deep learning model. We show that neural network analysis of CT-scans brings unique prognosis information, although it is correlated with other markers of severity (oxygenation, LDH, and CRP) explaining the measurable but limited 0.03 increase of AUC obtained when adding CT-scan information to clinical variables. Here, we show that when comparing AI-severity with 11 existing severity scores, we find significantly improved prognosis performance; AI-severity can therefore rapidly become a reference scoring approach. The SARS-COV-2 pandemic has put pressure on intensive care units, so that predicting severe deterioration early is a priority. Here, the authors develop a multimodal severity score including clinical and imaging features that has significantly improved prognostic performance in two validation datasets compared to previous scores.
- Subjects
DEEP learning; COVID-19; MULTIMODAL user interfaces; INTENSIVE care units; SEX (Biology); SARS-CoV-2
- Publication
Nature Communications, 2021, Vol 12, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-020-20657-4