Table 2. Outcomes of surgery in the propensity-matched groups.
| Variables | LAR (N=46) | LNAR (N=46) | P value |
|---|---|---|---|
| Operative type | 0.001 | ||
| Right hemihepatectomy | 12 (26.1) | – | |
| Right anterior sectionectomy | 4 (8.7) | – | |
| Right posterior sectionectomy | 14 (30.4) | – | |
| Segmentectomy | 16 (34.8) | – | |
| Tumorectomy | – | 46 (100.0) | |
| Operative data | |||
| Operation time (min) | 408.9±142.9 | 143.1±50.8 | 0.001 |
| Estimated blood loss (mL) | 917.5±152.9 | 333.8±259.3 | 0.001 |
| Transfusion | 14 (30.4) | 3 (6.5) | 0.006 |
| Pringle maneuver | 19 (41.3) | 21 (45.7) | 0.834 |
| Postoperative data | |||
| Hospital stay (days) | 7.8±3.3 | 5.7±2.7 | 0.012 |
| C-D complications | 0.134 | ||
| IIIa | 3 (6.5) | 4 (8.7) | |
| IIIb | 1 (2.2) | 0 | |
| IV | 0 | 0 | |
| V | 0 | 0 | |
| Pathologic data | |||
| Tumor size (cm) | 2.7±1.0 | 2.3±0.7 | 0.088 |
| Surgical margin (cm) | 1.1±1.3 | 1.0±0.5 | 0.162 |
| Microvascular invasion | 14 (40.0) | 12 (34.3) | 0.805 |
| Serosal invasion | 10 (21.7) | 10 (21.7) | 1.000 |
| Tumor stage | 0.268 | ||
| I | 24 (52.2) | 27 (58.7) | |
| II | 18 (39.1) | 17 (37.0) | |
| III | 2 (4.3) | 0 | |
| IV | 0 | 0 | |
| Total necrosis | 2 (4.3) | 2 (4.3) | |
| Cirrhosis | 19 (41.3) | 28 (60.9) | 0.095 |
All variables are presented as the mean ± standard deviation or n (%) of patients. LAR, laparoscopic anatomical resection; LNAR, laparoscopic non-anatomical resection; C-D, Clavien-Dindo.