TABLE 3.
Perioperative parameters and surgical outcomes
| Characteristic | Unmatched | Matched | ||||
|---|---|---|---|---|---|---|
| RL [n = 51] | OL [n = 145] | p-Value | RL [n = 31] | OL [n = 31] | p-Value | |
| Operative time, min [median (IQR)] | 198 (141–381) | 255 (201–309) | 0.073 | 222 (164–505) | 231 (190–301) | 0.668 |
| Estimated blood loss, mL [median (IQR)] | 180 (100–400) | 300 (170–700) | 0.001 | 200 (100–400) | 300 (125–750) | 0.121 |
| Received drain intraoperatively | 17 (33) | 136 (94) | <0.001 | 14 (45) | 25 (81) | 0.008 |
| Conversion | 4 (8) | NA | NA | 2 (6) | NA | NA |
| Major complication, CD grade III or higher | 3 (6) | 10 (7) | >0.99 | 1 (3) | 3 (10) | 0.612 |
| Major complication, bile leak | 0 (0) | 3 (2) | 0.569 | 0 (0) | 1 (3) | >0.99 |
| ICU admission | 0 (0) | 11 (8) | 0.070 | 0 (0) | 8 (26) | 0.005 |
| R1 resection | 8 (16) | 18 (12) | 0.632 | 4 (13) | 7 (23) | 0.504 |
| No. of tumors [median (IQR)] | 1 (1–1) | 1 (1–1) | 0.949 | 1 (1–2) | 1 (1–2) | 0.304 |
| Largest tumor size, mm [median (IQR)] | 25 (16–31) | 25 (20–32) | 0.316 | 25 (16–30) | 30 (21–41) | 0.032 |
| Length of stay, days [median (IQR)] | 4 (3–6) | 10 (8–13) | <0.001 | 4 (3–7) | 8 (6–10) | <0.001 |
| Readmission | 4 (8) | 6 (4) | 0.271 | 3 (10) | 2 (6) | >0.99 |
| 90-day mortality | 0 (0) | 0 (0) | NA | 0 (0) | 0 (0) | NA |
Data are expressed as n (%) unless otherwise specified
CD Clavien–Dindo, ICU intensive care unit, IQR interquartile range, OL open liver resection, RL robotic liver resection, NA not available