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Radiomic features were extracted from two regions of interest (ROIs) on the CT images, one placed at the biopsy site and another distant from the biopsy site. A development cohort, which was split further into training and validation cohorts across 100 trials, was used to determine the optimal combinations of contrast, normalization, machine learning model, and radiomic features for liver fibrosis detection based on their Area Under the Receiver Operating Characteristic curve (AUC) on the validation cohort. The optimal combinations were then used to develop one final liver fibrosis model which was evaluated on a test cohort.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>When averaging the AUC across all combinations, non-contrast enhanced (NC) CT (AUC, 0.6100; 95% CI: 0.5897, 0.6303) outperformed contrast-enhanced CT (AUC, 0.5680; 95% CI: 0.5471, 0.5890). The most effective model was found to be a logistic regression model with input features of maximum, energy, kurtosis, skewness, and small area high gray level emphasis extracted from non-contrast enhanced NC CT normalized using Gamma correction with \u03b3\u2009=\u20091.5 (AUC, 0.7833; 95% CI: 0.7821, 0.7845).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>The presented radiomics-based logistic regression model holds promise as a non-invasive detection tool for subclinical, asymptomatic liver fibrosis. The model may serve as an opportunistic liver fibrosis screening tool when operated in the background during routine CT examinations covering liver parenchyma. The final liver fibrosis detection model is made publicly available at: <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"https:\/\/github.com\/IMICSLab\/RadiomicsLiverFibrosisDetection\" ext-link-type=\"uri\">https:\/\/github.com\/IMICSLab\/RadiomicsLiverFibrosisDetection<\/jats:ext-link>.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s12880-025-01823-w","type":"journal-article","created":{"date-parts":[[2025,7,15]],"date-time":"2025-07-15T15:29:29Z","timestamp":1752593369000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Non-invasive liver fibrosis screening on CT images using radiomics"],"prefix":"10.1186","volume":"25","author":[{"given":"Jay J.","family":"Yoo","sequence":"first","affiliation":[]},{"given":"Khashayar","family":"Namdar","sequence":"additional","affiliation":[]},{"given":"Sean","family":"Carey","sequence":"additional","affiliation":[]},{"given":"Sandra E.","family":"Fischer","sequence":"additional","affiliation":[]},{"given":"Chris","family":"McIntosh","sequence":"additional","affiliation":[]},{"given":"Farzad","family":"Khalvati","sequence":"additional","affiliation":[]},{"given":"Patrik","family":"Rogalla","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2025,7,15]]},"reference":[{"issue":"5","key":"1823_CR1","doi-asserted-by":"publisher","first-page":"1557","DOI":"10.1002\/hep.29085","volume":"65","author":"PS Dulai","year":"2017","unstructured":"Dulai PS, Singh S, Patel J, Soni M, Prokop LJ, Younossi Z, et al. 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