Development, Validation, and Comparative Assessment of an International Scoring System to Determine Risk of Upper Gastrointestinal Bleeding

The Glasgow-Blatchford score (GBS) and pre-endoscopy Rockall score (pRS) are used in determining prognoses of patients with acute upper gastrointestinal bleeding, but neither predicts outcomes of patients with a high level of accuracy. A scoring system is needed to identify patients at risk of adverse outcomes and patients at low risk of harm.

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