Table 3: Biochemical parameters.
| Admission | One month after surgery | ||
| Parameters | Mean ± SD | Mean ± SD | p value |
| Total bilirubin (mg/dl) | 4.3 ± 5.3 | 1.84 ± 2.11 | 0.091 |
| Direct bilirubin (mg/dl) | 3.2 ± 4.3 | 1.28 ± 1.59 | 0.046* |
| Indirect bilirubin (mg/dl) | 1.06 ± 1.32 | 0.52 ± 0.51 | 0.342 |
| Alkaline phosphatase (IU/L) | 346.1 ± 268.5 | 277.9 ± 187.9 | 0.009* |
*Statistical significance by U Mann-Whitney test: (p < 0.05).