From: 2019 WSES guidelines for the management of severe acute pancreatitis
| BISAP: score one point for each of the following criteria | |
|---|---|
| Blood urea nitrogen level > 8.9 mmol/L | |
| Impaired mental status | |
| Systemic inflammatory response syndrome is present | |
| Age > 60 years | |
| Pleural effusion on radiography |