
| 10.1093/database/baab020
http://scihub22266oqcxt.onion/10.1093/database/baab020
 33963845!8106440!33963845
free
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Database+(Oxford) 2021 ; 2021 (�): � Nephropedia Template TP
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COVIDOUTCOME-estimating COVID severity based on mutation signatures in the SARS-CoV-2 genome #MMPMID33963845Nagy A; Ligeti B; Szebeni J; Pongor S; Gyrffy BDatabase (Oxford) 2021[May]; 2021 (�): � PMID33963845show ga
Numerous studies demonstrate frequent mutations in the genome of SARS-CoV-2. Our goal was to statistically link mutations to severe disease outcome. We used an automated machine learning approach where 1594 viral genomes with available clinical follow-up data were used as the training set (797 'severe' and 797 'mild'). The best algorithm, based on random forest classification combined with the LASSO feature selection algorithm, was employed to the training set to link mutation signatures and outcome. The performance of the final model was estimated by repeated, stratified, 10-fold cross validation (CV) and then adjusted for multiple testing with Bootstrap Bias Corrected CV. We identified 26 protein and Untranslated Region (UTR) mutations significantly linked to severe outcome. The best classification algorithm uses a mutation signature of 22 mutations as well as the patient's age as the input and shows high classification efficiency with an area under the curve (AUC) of 0.94 [confidence interval (CI): [0.912, 0.962]] and a prediction accuracy of 87% (CI: [0.830, 0.903]). Finally, we established an online platform (https://covidoutcome.com/) that is capable to use a viral sequence and the patient's age as the input and provides a percentage estimation of disease severity. We demonstrate a statistical association between mutation signatures of SARS-CoV-2 and severe outcome of COVID-19. The established analysis platform enables a real-time analysis of new viral genomes.|*Genome, Viral[MESH]|*Mutation[MESH]|*Severity of Illness Index[MESH]|Area Under Curve[MESH]|COVID-19/*genetics/*pathology/virology[MESH]|Datasets as Topic[MESH]|Humans[MESH]|Machine Learning[MESH]|Probability[MESH]|SARS-CoV-2/*genetics[MESH]
  
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