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Comparison of scoring systems in the prediction of 30-day mortality (n = 905). AUROC, area under receiver operating characteristic curve (95% CI); INBS, international new bleeding score; Pre-RS, pre-endoscopic Rockall score; GBS, Glasgow Blatchford score; PNED, Progetto Nazionale Emorragia Digestiva score. Note the INBS was subsequently renamed the ABC score by the authors [20].
