NPPB and coronary artery disorder: A total of 20 variables were identified as important, including CHD, white blood cell count, RBC, hematocrit, hemoglobin, GGT, TBIL, DBIL, globulin, TP, total bile acids, creatinine, uric acid, phosphorus, alkaline phosphatase, cystatin C, fibrinogen, NT-proBNP max, maximal myoglobin, and maximal high-sensitivity cardiac troponin T, indicating their strong explanatory power in predicting GIB occurrence.