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Exploring the synergistic potential of radiomics and laboratory biomarkers for enhanced identification of vulnerable COVID-19 patients

Background: Severe courses and high hospitalization rates were ubiquitous during the first pandemic SARS-CoV-2 waves. Thus, we aimed to examine whether integrative diagnostics may aid in identifying vulnerable patients using crucial data and materials obtained from COVID-19 patients hospitalized bet...

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Main Authors: Gerhards, Catharina (Author) , Haselmann, Verena (Author) , Schaible, Samuel (Author) , Ast, Volker (Author) , Kittel, Maximilian (Author) , Thiel, Manfred (Author) , Hertel, Alexander (Author) , Schönberg, Stefan (Author) , Neumaier, Michael (Author) , Froelich, Matthias F. (Author)
Format: Article (Journal)
Language:English
Published: 2023
In: Microorganisms
Year: 2023, Volume: 11, Issue: 7, Pages: 1-18
ISSN:2076-2607
DOI:10.3390/microorganisms11071740
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.3390/microorganisms11071740
Verlag, kostenfrei, Volltext: https://www.mdpi.com/2076-2607/11/7/1740
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Author Notes:Catharina Gerhards, Verena Haselmann, Samuel F. Schaible, Volker Ast, Maximilian Kittel, Manfred Thiel, Alexander Hertel, Stefan O. Schoenberg, Michael Neumaier and Matthias F. Froelich
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Summary:Background: Severe courses and high hospitalization rates were ubiquitous during the first pandemic SARS-CoV-2 waves. Thus, we aimed to examine whether integrative diagnostics may aid in identifying vulnerable patients using crucial data and materials obtained from COVID-19 patients hospitalized between 2020 and 2021 (n = 52). Accordingly, we investigated the potential of laboratory biomarkers, specifically the dynamic cell decay marker cell-free DNA and radiomics features extracted from chest CT. Methods: Separate forward and backward feature selection was conducted for linear regression with the Intensive-Care-Unit (ICU) period as the initial target. Three-fold cross-validation was performed, and collinear parameters were reduced. The model was adapted to a logistic regression approach and verified in a validation naïve subset to avoid overfitting. Results: The adapted integrated model classifying patients into “ICU/no ICU demand” comprises six radiomics and seven laboratory biomarkers. The models’ accuracy was 0.54 for radiomics, 0.47 for cfDNA, 0.74 for routine laboratory, and 0.87 for the combined model with an AUC of 0.91. Conclusion: The combined model performed superior to the individual models. Thus, integrating radiomics and laboratory data shows synergistic potential to aid clinic decision-making in COVID-19 patients. Under the need for evaluation in larger cohorts, including patients with other SARS-CoV-2 variants, the identified parameters might contribute to the triage of COVID-19 patients.
Item Description:Veröffentlicht: 3. Juli 2023
Gesehen am 24.08.2023
Physical Description:Online Resource
ISSN:2076-2607
DOI:10.3390/microorganisms11071740

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