Table 3.
Risk factors for post-endoscopic sphincterotomy bleeding between the two groups
| Partially covered sphincterotome (n = 194) | Uncovered sphincterotome (n = 193) | P | |
| Definite | |||
| Anticoagulation < 3 d after ES | 3 | 5 | 0.365 |
| Bleeding during ES | 24 | 19 | 0.408 |
| Cholangitis prior to ERCP | 26 | 21 | 0.425 |
| "Zipper cut" phenomenon | 4 | 3 | 0.497 |
| Maybe | |||
| Papillary cancer | 7 | 6 | 0.771 |
| Cirrhosis | 5 | 3 | 0.359 |
| Dilated CBD | 72 | 74 | 0.865 |
| CBD stone | 143 | 136 | 0.382 |
| Periampullary diverticulum | 38 | 44 | 0.472 |
| Precut (suprapapillary) sphincterotomy with extension | 10 | 6 | 0.302 |
ES: Endoscopic sphincterotomy; ERCP: Endoscopic retrograde cholangiopancreatography; CBD: Common bile duct.