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 |