ArticleObesity surgery2025
Quantitative CT Imaging Radiomics-Based Prediction of Bone Mineral Density Changes After Sleeve Gastrectomy.
Article in Obesity surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Early Exercise Boosts Visceral Fat Loss Post‑Bariatric Surgery in the First Month.Obesity surgery · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study focuses on extracting preoperative vertebral quantitative CT (QCT) radiomic features and developing models to predict changes in bone mineral density (BMD) after sleeve gastrectomy (SG).
methodsA retrospective analysis was conducted on 203 patients who underwent SG at Qujing Second People's Hospital between June 2022 and February 2024. Patients were divided into two groups based on changes in lumbar vertebra 1 QCT values: BMD decreased and BMD stable/increased. Data were randomly split into training and test sets (7:3 ratio) using stratified sampling. Radiomic features were extracted and normalized, and feature selection was performed using ICC, variance thresholding, mutual information, and LASSO. XGBoost models were built for clinical, radiomic, and combined data, with performance evaluated using ROC curves, AUC, and decision curve analysis (DCA).
resultsSignificant differences were observed in BMI, erector spinae average CT value, AST, and ALT between groups. Based on clinical and radiomic features, the AUC values of the XGBoost models in the training and test sets were as follows: clinical model 0.94, 0.88; radiomic model 0.98, 0.96; combined model 0.97, 0.96. DCA showed that the combined model provided the highest net benefit across all threshold values.
conclusionVertebral QCT combined with clinical features can effectively predict postoperative BMD changes after SG.
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Registered trials
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