Table 1.
Patient characteristics
|
Characteristics
|
n
(%)
|
| Patients | 502 |
| Recurrence | 43 (8.6) |
| Multiple recurrences | 9 (1.8) |
| Male | 287 (57.2) |
| Age (mean ± SD, yr) | 65.2 ± 15.6 |
| Age 70 yr | 201 (40.0) |
| PAD | 243 (48.4) |
| CBD diameter (mean ± SD, cm) | 1.3 ± 0.7 |
| CBD diameter 1.5 cm | 160 (31.9) |
| Largest CBD stone diameter 1.5 cm | 83 (16.3) |
| CBD stone number 2 | 189 (37.6) |
| Muddy stones | 131 (26.1) |
| Initial ampullary intervention | |
| EST | 141 (28.1) |
| EPBD/EPLBD | 31 (6.2) |
| ESBD | 315 (62.7) |
| CBD morphology | |
| Straight type | 289 (57.6) |
| S type | 45 (9.0) |
| Polyline type | 168 (33.5) |
| Cholecystectomy | 26 (5.2) |
| Gastrectomy | 9 (1.8) |
| Procedure time (mean ± SD, min) | 20.0 ± 13.7 |
PAD: Periampullary diverticulum; CBD: Common bile duct; EST: Endoscopic biliary sphincterotomy; EPBD: Endoscopic papillary balloon dilation; EPLBD: Endoscopic papillary large balloon dilation; ESBD: Endoscopic biliary sphincterotomy with balloon dilation.