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Baseline cholangiographic characteristics of the patients
| EBD (No (%)) | ES (No (%)) | |
| Dilated CBD (>7 mm) | 83 (80.6) | 77 (77.8) |
| No stones | ||
| Debris | 7 (6.8) | 9 (9.1) |
| ⩽2 | 56 (54.4) | 65 (65.7) |
| ⩾3 | 40 (38.8) | 25 (25.3) |
| Size of stones (mm) | ||
| ⩽5 | 27 (26.2) | 31 (31.3) |
| 6–9 | 37 (35.9) | 26 (26.3) |
| ⩾10 | 39 (37.9) | 42 (42.4) |
EBD, endoscopic balloon dilatation; ES, endoscopic sphincterotomy; CBD, common bile duct.
