Table 2.
Surgical outcomes and postoperative courses.
| LMWA (n = 94) | ORES (n = 37) | P value | |
|---|---|---|---|
| Operative blood loss (mL), mean ± sd | 27.4 ± 4.8 | 310.4 ± 127.2 | <0.001 |
| Operative time (min), mean ± sd | 26.7 ± 8.5 | 176.5 ± 44.6 | <0.001 |
| Blood transfusions, n (%) | 0 (0%) | 5 (13.5%) | <0.01 |
| ALT (U/L), mean ± sd | |||
| Pre-operation | 24.3 ± 4.6 | 25.2 ± 4.2 | >0.05 |
| 1 day after operation | 257.4 ± 84.7 | 231.4 ± 24.3 | >0.05 |
| 3 days after operation | 108.5 ± 35.7 | 93.8 ± 47.6 | >0.05 |
| AST (U/L), mean ± sd | |||
| Pre-operation | 33.6 ± 5.3 | 35.4 ± 4.8 | >0.05 |
| 1 day after operation | 352.2 ± 62.4 | 328.8 ± 57.4 | >0.05 |
| 3 days after operation | 134.6 ± 56.7 | 118.3 ± 42.5 | >0.05 |
| Hospital cost (RMB), mean ± sd | 30143.34 ± 4358.72 | 35467.82 ± 3574.52 | <0.001 |
| Post-operative hospital stay (day), mean ± sd | 3.4 ± 1.5 | 4.2 ± 2.3 | <0.05 |
| Follow-up (month), mean ± sd | 13.5 ± 2.5 | 12.8 ± 3.6 | <0.05 |
| Post-operative pain score, mean ± sd | |||
| 12 h | 2.8 ± 0.8 | 4.5 ± 1.3 | <0.001 |
| 24 h | 1.5 ± 0.6 | 2.5 ± 1.1 | <0.001 |
| 48 h | 1.1 ± 0.4 | 1.6 ± 0.6 | <0.001 |
| Complications, n (%) | |||
| Total number | 22 (23.4%) | 8 (21.6%) | >0.05 |
| Hemoglobinuria | 22 (21.6%) | 0 (0%) | |
| Fever (body temperature >39 °C) | 12 (12.8%) | 8 (21.6%) | >0.05 |
| Skin burns | 4 (4.3%) | 0 (0%) | |
| Pneumothorax | 1 (1.1%) | 0 (0%) | |
| Biliary leakage | 0 (0%) | 1 (2.7%) | |
| Wound infection | 0 (0%) | 2 (5.4%) | |
| Post-operative bleeding | 0 (0%) | 1 (2.7%) | |