Table 3.
Univariate and multivariate analysis on prolonged operation time
|
Operation time |
Univariate |
Multivariate |
|||
| < 200 | ≥ 200 | P value | P value | OR (95%CI) | |
| Number of patients | 25 | 43 | |||
| Age (yr) | 71.5 ± 8.4 | 67.4 ± 9.6 | 0.082 | ||
| Sex (Male/Female) | 16/9 | 32/11 | 0.363 | ||
| Body mass index (kg/m2) | 22.7 ± 2.6 | 24.8 ± 4.5 | 0.019 | 0.024 | 1.259 (1.031-1.538) |
| HBV | 2 | 8 | 0.304 | ||
| HCV | 12 | 20 | 0.906 | ||
| Open liver resection < 0.001 | 3 | 26 | < 0.001 | < 0.001 | 16.244 (3.648-72.340) |
| Tumor size (mm) | 23.3 ± 9.9 | 29.8 ± 14.4 | 0.049 | 0.047 | 1.056 (1.001-1.114) |
| Total bilirubin (mg/dL) | 0.77 ± 0.28 | 0.79 ± 0.31 | 0.829 | ||
| Albumin (g/dL) | 3.94 ± 0.59 | 3.91 ± 0.46 | 0.848 | ||
| Prothrombin time (%) | 101.4 ± 21.9 | 98.2 ± 17.2 | 0.508 | ||
| Indocyanine green (%) | 11.8 ± 11.1 | 18.9 ± 14.8 | 0.042 | ||
| Aspartate transaminase (U/L) | 36.8 ± 20.5 | 39.1 ± 20.9 | 0.669 | ||
| Alanine transaminase (U/L) | 30.2 ± 22.8 | 33.3 ± 22.3 | 0.596 | ||
| γ-glutamy transpeptidase (U/L) | 57.5 ± 48.3 | 64.8 ± 51.3 | 0.567 | ||
| Alkaline phosphatase (U/L) | 315.6 ± 109.9 | 306.0 ± 105.5 | 0.725 | ||
| Cholinesterase (U/L) | 176.6 ± 127.0 | 188.5 ± 115.3 | 0.649 | ||
| White blood cell (/mm3) | 4342 ± 1383 | 4638 ± 1748 | 0.470 | ||
| Hemoglobin (g/dL) | 12.8 ± 1.9 | 13.1 ± 2.1 | 0.598 | ||
| Hematocrit (%) | 36.9 ± 7.3 | 39.0 ± 5.6 | 0.185 | ||
| Platelet count (× 103/mm3) | 14.5 ± 7.7 | 13.2 ± 6.0 | 0.433 | ||
LLR: Laparoscopic liver resection; OLR: Open liver resection.