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The area under the curve of the pre-endoscopic scoring system (pre-MH-STRALP) for prognostic prediction of upper gastrointestinal bleeding. A: The area under the curve (AUC) of the pre-endoscopic scoring system (pre-MH-STRALP) for prognostic prediction of upper gastrointestinal bleeding (UGIB) in the training cohort; B: The AUC of the pre-endoscopic scoring system (pre-MH-STRALP) for prognostic prediction of UGIB in the validation cohort. ROC: Receiver operating characteristic.
