Table 3.
Intraoperative and postoperative outcomes before and after PSM
| LRH (n = 48) | ORH (n = 31) | P-value | LRH (n = 17) | ORH (n = 17) | P-value | |
|---|---|---|---|---|---|---|
| Operative time (min) | 169.9 ± 81.5 | 232.9 ± 83.1 | < 0.01 | 212.9 ± 91.3 | 226.9 ± 70.5 | 0.94 |
| Blood loss (ml) | 100.0 (50.0–112.5) | 500.0 (250.0–1000.0) | < 0.01 | 100.0 (100.0–200.0) | 500.0 (250.0–800.0) | < 0.01 |
| Pringle maneuver | 14 (29.2) | 17 (54.8) | 0.13 | 3 (17.6) | 6 (35.3) | 0.70 |
| Transfusion | 4 (8.3) | 18 (58.1) | < 0.01 | 4 (23.5) | 10 (58.8) | 0.04 |
| Type of resection | 0.07 | 0.47 | ||||
| Major resection | 11 (22.9) | 13 (41.9) | 5 (29.4) | 7 (41.2) | ||
| Minor resection | 37 (77.1) | 18 (58.1) | 12 (70.6) | 10 (58.8) | ||
| R0 resection rate | 100% | 100% | - | 100% | 100% | - |
| Conversion | 3 (6.3) | - | 1 (5.8) | - | ||
| 30-day mortality | 0 | 2 (6.5) | - | 0 | 1 (5.9) | - |
| Complications (Clavien–Dindo) | 10 (20.8) | 16 (54.2) | 0.07 | 6 (35.3) | 10 (58.8) | 0.02 |
| I | 2 (4.2) | 2 (6.5) | 2 (11.8) | 2 (11.8) | ||
| II | 5 (10.4) | 1 (3.2) | 4 (23.5) | 0 | ||
| III | 2 (4.2) | 5 (16.1) | 0 | 4 (23.5) | ||
| IV | 1 (2.1) | 6 (19.4) | 0 | 2 (11.8) | ||
| V | 0 | 2 (6.5) | 0 | 2 (11.8) | ||
| Postoperative hospital day | 5.0 (4.0–8.0) | 13. 0 (9.0–19.0) | < 0.01 | 7.0 (4.0–10.0) | 11.0 (9.0–20.0) | 0.01 |
PSM propensity score matching, LRH laparoscopic repeat hepatectomy, ORH open repeat hepatectomy