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In patients with severe acute pancreatitis, identifying risk for mortality within 24 hours of presentation is critical. However, a simple scoring system to predict mortality based on routine laboratory and diagnostic test results has been lacking.
To provide such a system, investigators developed and prospectively evaluated the performance of a bedside index for severity in acute pancreatitis (BISAP) in 397 consecutive cases of acute pancreatitis at a tertiary care hospital. BISAP is scored on a scale of 0 to 5, based on how many of the following characteristics the patient has within 24 hours of presentation: blood urea nitrogen level >25 mg/dL, impaired mental status, systemic inflammatory response syndrome, age >60, and pleural effusion o…