The American Journal of Gastroenterology · 2008 · 170 citations · 18 references
These results indicate that 30-day mortality for nonvariceal bleeding is low. Deaths occurred predominantly in elderly patients with severe comorbidities or those with failure of endoscopic intention to treatment.
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ASA Physical Status Classifications
William D. Owens, James A. Felts, Edward L. Spitznagel · Anesthesiology · 1978 · 1.9K citations · Full text
Physiological Status, Measurement, Perioperative Medicine +17
Risk assessment after acute upper gastrointestinal haemorrhage.
Timothy Rockall, Richard F. Logan, Hugh Devlin et al. · Gut · 1996 · 1.5K citations · Full text
Gastroenterology, Numerical Score, Clinical Epidemiology +16
Incidence of and mortality from acute upper gastrointestinal haemorrhage in the United Kingdom
Tim Rockall, Richard F. Logan, Hugh Devlin et al. · BMJ · 1995 · 912 citations · Full text