Table 3.
Patient characteristics of patients with different common bile duct morphologies, n (%)
|
Characteristics
|
Straight type (n = 289)
|
S type (n = 45)
|
Polyline type (n = 168)
|
P
value
|
| Sex (male/female) | 166/123 | 30/15 | 91/77 | 0.32 |
| Age ≥ 70 yr | 104 (36.0) | 20 (44.4) | 77 (45.8) | 0.10 |
| PAD | 136 (47.1) | 20 (44.4) | 87 (51.8) | 0.53 |
| CBD diameter (mean ± SD, cm) | 1.3 ± 0.4 | 1.5 ± 0.5 | 1.4 ± 0.9 | 0.14 |
| CBD diameter ≥ 1.5 cm | 96 (33.2) | 22 (48.9) | 42 (25.0) | 0.01 |
| Largest CBD stone diameter ≥ 1.5 cm | 42 (14.5) | 8 (17.8) | 32 (19.0) | 0.44 |
| CBD stone number ≥ 2 | 105 (36.3) | 17 (37.8) | 67 (39.9) | 0.75 |
| Muddy stones | 78 (27.0) | 11 (24.4) | 42 (25.0) | 0.87 |
| Initial ampullary intervention | ||||
| EST | 84 (29.1) | 11 (24.4) | 46 (27.4) | 0.79 |
| EPBD/EPLBD | 18 (6.2) | 3 (6.7) | 10 (6.0) | 0.98 |
| ESBD | 180 (62.3) | 30 (66.7) | 105 (62.5) | 0.85 |
| Cholecystectomy | 19 (6.6) | 2 (4.4) | 5 (3.0) | 0.24 |
| Procedure time (mean ± SD, min) | 19.8 ± 11.7 | 19.7 ± 13.1 | 20.6 ± 16.7 | 0.81 |
| Gastrectomy | 5 (1.7) | 0 (0.0) | 4 (2.4) | 0.38 |
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.