The most commonly used scoring system to assess moality and risk of rebleeding in the setting of nonvariceal upper GI bleeding is:

Pre-endoscopy scoring systems for nonvariceal bleeding Blatchford Score The Clinical Rockall Score Aificial neural network score. The most commonly used post endoscopy scoring system is -Complete Rockall Score The Complete Rockall Score includes The Clinical Rockall Score + endoscopic findings. It correlates well with moality but not with the risk for rebleeding. Ref: Sleisenger and Fordtran's, E-9, P-293.