| Clinical characteristics | Results |
| Total number of patients | N = 151 |
| Average age | 41 years [12, 85] |
| Sex-ratio F/M | 1.2 |
| Previous history of: - Cholecystectomy - surgery for Hepatic hydatid cyst |
17 (11%) 49 (32%) |
| Cholangitis - Non-severe cholangitis - severe cholangitis - Pancreatitis | 112 (74%) 91 (60%) 12 (8%) 9 (6%) |
| Persistence of a large biliary flow in post-operative | 39 (26%) |