Refine XGBoost with SHAP explainability for non-invasive early detection of diabetic kidney disease: Estimated cardiac output as a potential indicator. - Ngoc Minh To; Quoc Cuong Ngo; Barbara Polus; Minh Ngoc Dinh; Ahsan Khandoker; Anish Menon; Dinesh Kant Kumar (Comput. Methods Programs Biomed., 2026)