Table 2.
Comparisons between robotic major hepatectomy and laparoscopic major hepatectomy regarding intraoperative and postoperative outcomes
| Outcomes | Laparoscopic (n = 87) | Robotic (n = 44) | χ2/t | P value |
|---|---|---|---|---|
| Length of postoperative hospital stay | 10.3 ± 3.5 | 10.2 ± 2.2 | 0.190 | 0.849 |
| Open conversion | 5 | 2 | 3.124 | 0.077 |
| ICU stay | 2 | 2 | 0.028 | 0.866 |
|
Postoperative massive abdominal bleeding I/II/IIIa/IIIb/IVa/IVb/V |
2 0/0/0/1/1/0/0 |
1 0/0/0/0/1/0/0 |
0 | 1.00 |
| Portal vein thrombosis | 0 | 0 | 0 | 1.00 |
| Abdominal infection | 0 | 0 | 0 | 1.00 |
| Pulmonary infection | 0 | 0 | 0 | 1.00 |
| Pulmonary embolism | 0 | 0 | 0 | 1.00 |
| Cardiac complications | 0 | 0 | 0 | 1.00 |
|
Liver failure C-D I/II/IIIa/IIIb/IVa/IVb/V |
3 0/0/0/0/3/0/0 |
1 0/0/0/0/1/0/0 |
0 | 1.00 |
|
Kidney failure C-D I/II/IIIa/IIIb/IVa/IVb/V |
1 0/0/0/0/1/0/0 |
0 0/0/0/0/0/0/0 |
0 | 1.00 |
| Biliary leak | 0 | 0 | 0 | 1.00 |
| 30-day mortality | 0 | 0 | 0 | 1.00 |
| 90-day mortality | 0 | 0 | 0 | 1.00 |
| Positive resection margin | 0 | 0 | 0 | 1.00 |
| Estimated blood loss | 197.0 ± 186.3 | 118.9 ± 99.1 | 3.133 | 0.002 |
| Operation time (min) | 206.8 ± 69.2 | 255.5 ± 56.3 | − 4.036 | 0.000 |
*P < 0.05: statistical significance; C–D: Clavien‒Dindo classification