Number of patients with complicated untreated (group I) and treated (group II) pancreatic pseudocysts
| Group I (n=45) | Group II (n=45) | Fisher’s test | |
| Acute complications | 1 | 8 | p=0.03 |
| Infection | 0 | 2 | |
| Bleeding | 0 | 1 | |
| Pleural or bronchial fistula | 1 | 2 | |
| Rupture | 0 | 2 | |
| Haematoma of the spleen | 0 | 1 | |
| Chronic complications | 133-150 | 31 | p=0.003 |
| Bile duct dilatation | 5 | 13 | |
| Digestive compression | 3 | 11 | |
| Thrombosis of the the portal or splenic vein | 5 | 7 | |
| Total | 14 | 39 | p<0.001 |
↵3-150 Patients asymptomatic or with transient symptoms not requiring surgical intervention.