ArticleJournal of inflammation research2026
Development and Validation of an Early Severity Prediction Model for Hypertriglyceridemia-Associated Acute Pancreatitis: A Multicenter Cohort Study.
Article in Journal of inflammation research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: Hypertriglyceridemia-associated acute pancreatitis (HTG-AP) has become the second leading cause of acute pancreatitis (AP) in China. Compared with other etiologies, patients with HTG-AP are more likely to develop severe acute pancreatitis (SAP). This study aimed to develop and validate a prediction model for severe HTG-AP. Patients and Methods: The derivation cohort consisted of 478 HTG-AP patients collected in a multicenter, prospective observational study (PERFORM study, 2020-2023, involving 36 tertiary hospitals in China). The external validation cohort included 145 prospectively enrolled HTG-AP patients from the General Hospital of Ningxia Medical University (from January 2024 to May 2025). Clinical variables were collected within 24 hours of enrollment. After excluding variables with more than 20% missing data, least absolute shrinkage and selection operator (LASSO) regression was used to select predictors. An XGBoost-based prediction model was constructed. Model performance was evaluated using the area under the receiver operating characteristic curve (AUC), calibration curves, and decision curve analysis (DCA), and compared with traditional scoring systems. SHapley Additive exPlanations (SHAP) analysis was employed to assess model interpretability. Results: A total of 113 patients (23.6%) in the derivation cohort and 23 patients (15.9%) in the validation cohort developed SAP, respectively. LASSO regression identified seven predictors: serum calcium (Ca Conclusion: This study developed and validated an XGBoost-based prediction model that uses seven easily obtained clinical variables for early identification of severe HTG-AP. The model demonstrated favorable discrimination, good calibration, and meaningful clinical utility, and outperformed traditional scoring systems. It offers a promising tool to improve risk stratification in HTG-AP.
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