Table 1.
Patients’ baseline characteristics
| Baseline characteristics | |
|---|---|
| number of patients | 810 |
| - median age in years (range) | 68(27-97) |
| - male | 456 |
| number of cholangitis episodes | 981 |
| underlying cause of cholangitis episodes | |
| malignant genesis: | 509 (51,9 %) |
| - cholangiocarcinoma | 206 (21,0 %) |
| - pancreas cancer | 162 (16,5 %) |
| - hepatocellular carcinoma | 7 (0,7 %) |
| - liver metastases with intrahepatic biliary obstruction: | |
| o colorectal cancer | 50 (5,1 %) |
| o gastric cancer | 30 (3,1 %) |
| o gallbladder cancer | 28 (2,9 %) |
| o other malignant tumors (breast cancer, oesophagus cancer…) | 26 (2,7 %) |
| benign genesis: | 391 (39,9 %) |
| - stricture of the biliodigestive anastomosis | 32 (3,3 %) |
| - chronic pancreatitis with extrahepatic biliary obstruction | 17 (1,7 %) |
| - bile duct stricture after cholecystectomy | 36 (3,7 %) |
| - liver cyst with intrahepatic biliary stricture | 1 (0,1 %) |
| - adenoma of the papilla vateri | 6 (0,6 %) |
| - choledocholithiasis | 271 (27,6 %) |
| - primary sclerosing cholangitis | 21 (2,1 %) |
| - trauma associated strictures | 6 (0,6 %) |
| - secondary sclerosing cholangitis | 1 (0,1 %) |
| idiopathic biliary stricture: | 81 (8,3 %) |