Table 2 Definition of severity in acute pancreatitis
From: 2019 WSES guidelines for the management of severe acute pancreatitis
Revised Atlanta Classification (RAC) | Determinant-based classification (DBC |
|---|---|
Mild acute pancreatitis (AP) | Mild AP |
 No organ failure |  No organ failure AND |
 No local or systemic complications |  No (peri)pancreatic necrosis |
Moderately severe AP | Moderate AP |
 Transient organ failure (< 48 h) |  Transient organ failure AND/OR |
 Local or systemic complications without persistent organ failure |  Sterile (peri)pancreatic necrosis |
Severe AP | Severe AP |
 Persistent single or multiple organ |  Persistent organ failure OR |
 failure (> 48 h) |  Infected (peri)pancreatic necrosis |
| Â | Critical AP |
|  |  Persistent organ failure AND |
 Infected (peri)pancreatic necrosis |