Table 1.
Baseline characteristics of the patients n (%)
| 0.025-inch group (n = 109) | 0.035-inch group (n = 160) | P value | |
| Age, median ± IQR, year (range) | 73 ± 12 (31-90) | 72 ± 16 (20-97) | 0.8691 |
| Sex male/female | 68/41 | 83/77 | 0.0882 |
| Benign disease | 69 (63.3) | 114 (71.3) | 0.1702 |
| Choledocholithiasis | 54 (49.5) | 78 (48.8) | 0.8992 |
| Gallbladder stones | 8 (7.3) | 15 (9.4) | 0.5582 |
| Benign biliary stricture | 5 (4.6) | 7 (4.4) | 0.8272 |
| Cholangitis | 1 (0.9) | 7 (4.4) | 0.2032 |
| Others | 1 (0.9) | 7 (4.4) | 0.2032 |
| Malignant disease | 40 (36.7) | 46 (28.8) | 0.1702 |
| Pancreatic cancer | 13 (11.9) | 26 (16.3) | 0.3232 |
| Cholangiocarcinoma | 12 (11.0) | 6 (3.8) | 0.0192 |
| Gallbladder cancer | 5 (4.6) | 3 (1.9) | 0.3582 |
| Ampullary cancer | 3 (2.8) | 3 (1.9) | 0.9542 |
| Cholangiocellular carcinoma | 1 (0.9) | 1 (0.6) | 0.6542 |
| Others | 6 (5.5) | 7 (4.4) | 0.8932 |
1
Mann-Whitney U-test;
2
χ2 test. IQR: Interquartile range.