NPPB and type 2 diabetes mellitus: Variables were ranked according to their mean absolute SHAP values, including Killip class III/IV (|SHAP| value = 0.0350), FDP (|SHAP| value = 0.0297), Pro-BNP (|SHAP| value = 0.0202), T2DM (|SHAP| value = 0.0127) and CS (|SHAP| value = 0.0079).