Main associations of acute pancreatitis in severe and mild cases
| Main association | Severity | |
| Moderate/severe (n=16) No of cases (%) | Mild (n=78) No of cases (%) | |
| Idiopathic | 4 (25) | 31 (40) |
| Drugs | 6 (38) | 12 (15) |
| Gallstones | 1 (6) | 11 (14) |
| Hereditary | 1 (6) | 6 (8) |
| Organic acidaemia | 2 (13) | 5 (6) |
| Anatomical anomalies | . | 5 (6) |
| Viral infections | 1 (6) | 2 (3) |
| Systemic diseases | . | 2 (3) |
| Trauma | 1 (6) | . |
| Others | . | 4 (5) |