Table 2.
Univariate analysis of factors associated with a biliary stricture
| Factor | Stricture (n = 160) | Non-stricture (n = 328) | P-value |
|---|---|---|---|
| Patient age (years)a | 50.0 ± 8.9 | 48.7 ± 9.3 | 0.134 |
| Patient; male, n (%) | 121 (75.6) | 226 (68.9) | 0.124 |
| Donor age (years)a | 34.4 ± 10.9 | 32.7 ± 11.2 | 0.122 |
| Donor; male, n (%) | 96 (60.0) | 220 (67.1) | 0.125 |
| BMI (kg/m2)a | 23.6 ± 2.7 | 23.8 ± 3.2 | 0.494 |
| Child scorea | 9.4 ± 2.5 | 9.4 ± 2.4 | 0.974 |
| MELD score (>25), n (%) | 40 (25.0) | 71 (21.6) | 0.407 |
| Urgency of the surgery, n (%) | 30 (18.8) | 38 (11.6) | 0.032 |
| GRWR (<1%), n (%) | 29 (18.1) | 53 (16.2) | 0.585 |
| Fatty change (>10%), n (%) | 20 (12.5) | 31 (9.5) | 0.301 |
| Biliary variation, n (%) | 51 (31.9) | 89 (27.1) | 0.277 |
| Multiple duct opening, n (%) | 58 (36.2) | 88 (26.8) | 0.033 |
| Bile duct size (mm)a | 4.37 ± 1.59 | 4.70 ± 1.80 | 0.255 |
| Ductoplasty, n (%) | 45 (28.1) | 63 (19.2) | 0.026 |
| Double anastomosis, n (%) | 13 (8.1) | 25 (7.6) | 0.846 |
| T-tube insertion, n (%) | 52 (32.5) | 134 (40.9) | 0.074 |
| Operation time (min)a | 628.8 ± 98.4 | 643.3 ± 125.9 | 0.201 |
| Blood transfusion (units)a | 13.7 ± 7.1 | 13.5 ± 8.1 | 0.855 |
| Bile leakage, n (%) | 53 (33.1) | 32 (9.8) | <0.001 |
| Hepatic artery thrombosis, n (%) | 4 (2.5%) | 8 (2.4%) | 0.967 |
Urgency of the surgery included UNOS I & IIA. BMI, body mass index; MELD, Model for End-stage Liver Disease; GRWR, graft-to-recipient body weight ratio.
a
Values shown are means ± standard deviation except where otherwise stated.