Table 3 Risk factors of residual bile duct stones in univariate analyses
Residual group (n = 24) | Complete extraction group (n = 481) | P | |
|---|---|---|---|
Age, median (IQR) | 75.5 (67.5–82.25) | 77.0 (68.0–83.00) | 0.81 |
Sex (male/female), n | 14/10 | 265/216 | 0.84 |
Native papilla, n (%) | 15 (62.5) | 333 (69.2) | 0.50 |
Cholangitis, n (%) | 5 (20.8) | 107 (22.2) | > 0.99 |
Presence of Gallbladder, n (%) | 20 (83.3) | 398 (82.7) | > 0.99 |
Presence of Gallstones | 13 (54.2) | 296 (61.5) | 0.52 |
Billroth I reconstruction, n (%) | 1 (4.2) | 14 (2.9) | 0.52 |
Presence of diverticulum, n (%) | 11 (45.8) | 226 (46.9) | > 0.99 |
Number of stones, mean (SD) | 3.8 (2.9) | 2.7 (3.1) | 0.01 |
Maximum stone diameter (mm), mean (SD) | 8.5 (4.4) | 8.6 (6.2) | 0.84 |
Bile duct diameter (mm), mean (SD) | 11.8 (3.6) | 11.3 (3.6) | 0.61 |
Procedure time (min), median (IQR) | 36 (27–45.5) | 28 (20–39.0) | 0.005 |
EST, n (%) | 16 (66.7) | 318 (66.1) | > 0.99 |
EST + EPLBD, n (%) | 6 (25) | 113 (23.5) | 0.81 |
EPBD, n (%) | 1 (4.2) | 17 (3.5) | 0.59 |
EST + EPBD, n (%) | 1 (4.2) | 33 (6.9) | > 0.99 |
Lithotripsy, n (%) | 3 (12.5) | 37 (7.7) | 0.43 |
PGW, n (%) | 6 (25) | 37 (7.7) | 0.01 |