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Patient characteristics
| Patient characteristics | |
| Number of patients | 360 |
| Age [mean ± SD (range), yr] | 71 ± 11.8 (17-95) |
| Sex, male/female | 241/119 |
| Disease (number of patients) | |
| Bile duct cancer | 132 |
| Pancreatic cancer | 86 |
| Gallbladder cancer | 18 |
| Metastasis | 14 |
| Benign stricture | 110 |
