
Keywords: خونریزی وریدهای حاد; Risk Analysis; Esophageal Varices; Prognosis; Portal Hypertension; AUC; area under the receiver operating characteristic curve; AVB; acute variceal bleeding; ChildC-C1; Child-Pugh class C with a plasma level of creatinine of 1 mg/dL or higher; MELD; mod