Table 1.
Patient Characteristics
| All liver Resections | Laparoscopic Resection | Open Resection | P* | |
|---|---|---|---|---|
| Number | 1525** | 40 | 80 | |
| Age, years (median, range) | 63 (16–93) | 60 (20–83) | 62,5 (24–82) | 0.08 |
| Sex, female/male, n | 656/829 | 19/21 | 29/51 | 0.24 |
| BMI, kg/m2, mean (SD) | 26.5 (4.9) | 28.3 (5.8) | 27.5 (5.6) | 0.62 |
| ASA score, n (%) | 0.05 | |||
| I | 22 (1.4) | 3 (7.5) | 0 | |
| II | 741 (48.6) | 23 (57.5) | 41 (51.3) | |
| III | 701 (46) | 14 (35) | 38 (47.5) | |
| IV | 21 (1.4) | 0 | 1 (1.3) | |
| Liver cirrhosis, n (%) | 147 (9.6) | 8 (20) | 16 (20) | 1.0 |
| Tumor size, cm (median, range) | 4.4 (0.5–10.5) | 4.35 (0.5–13) | 0.64 | |
| Biology (benign/malignant) | 14/26 | 7/73 | 0.001 | |
| Tumor type, n | 0.007 | |||
| Adenoma | 18 | 6 | 2 | |
| FNH | 33 | 8 | 4 | |
| HCC | 232 | 11 | 22 | |
| CCC | 179 | — | 6 | |
| CRC mets | 558 | 11 | 32 | |
| Endocrine mets | 33 | 4 | 13 | |
| Non-CRC/nonendocrine mets | 121 | |||
| Klatskin tumor | 107 | — | — | |
| Gallbladder cancer | 34 | — | — | |
| Others | 170 | — | — | |
| Type of resection, n (%) | 0.99 | |||
| Left lateral sectionectomy | 131 (8.8) | 16 (40%) | 32 (40%) | |
| Segmentectomy | 438 (29.5%) | 23 (57.5%) | 46 (57.5%) | |
| Atypical resection | 392 (26.4%) | 1 (2.5%) | 2 (2.5%) | |
| Hemihepatectomy (extended) | 524 (35.3%) | |||
| Iwate score, median (range) | — | 5 (4–9) | 5 (4–8) | 0.76 |
*
Laparoscopic versus open resection;
**
1485 fully evaluable. CCC, cholangiocellular carcinoma; mets, metastases.