Table 1.
Baseline characteristics
| Before matching | After matching | |||||
|---|---|---|---|---|---|---|
| OLH (n = 80) | LLH (n = 40) | P-value | Open (n = 37) | Laparoscopic (n = 37) | P-value | |
| Gender (male) | 68 (85.0%) | 31 (77.5%) | 0.319 | 31 (83.8%) | 30 (81.1%) | 0.705 |
| Age | 58 (29–80) | 59 (34–78) | 0.269 | 55 (29–79) | 58 (34–78) | 0.203 |
| Etiology | 0.253 | 0.321 | ||||
| NBNC | 17 (21.3%) | 7 (17.5%) | 3 (8.1%) | 6 (16.2%) | ||
| HBV | 58 (72.5%) | 29 (72.5%) | 31 (83.8%) | 27 (73.0%) | ||
| HCV | 2 (2.5%) | 4 (10.0%) | 0 (0%) | 4 (10.8%) | ||
| Alcohol | 3 (3.8%) | 0 (0%) | 3 (8.1%) | 0 (0%) | ||
| WBC (/μL) | 5780 (2070–10,840) | 5370 (3660–8870) | 0.334 | 5240 (2070–9690) | 5480 (3660–8870) | 0.912 |
| NLR | 0.61 (0.23–1.53) | 0.69 (0.17–1.30) | 0.054 | 0.67 (0.26–1.53) | 0.72 (0.17–1.30) | 0.294 |
| Hemoglobin (g/dL) | 14.2 (8.4–17.0) | 14.2 (9.6–17.2) | 0.743 | 14.1 (8.4–17.0) | 14.3 (9.6–17.2) | 0.947 |
| Platelets (/μL) | 172,500 (44,000–397,000) | 177,500 (83,000–302,000) | 0.892 | 168,000 (44,000–266,000) | 180,000 (83,000–259,000) | 0.662 |
| Total bilirubin (mg/dL) | 0.6 (0.2–1.8) | 0.5 (0.2–1.5) | 0.993 | 0.6 (0.2–1.8) | 0.5 (0.2–1.5) | 0.341 |
| AST (U/L) | 31 (14–120) | 28 (16–80) | 0.041 | 32 (14–120) | 25 (16–69) | 0.055 |
| ALT (U/L) | 27 (5–254) | 24 (11–100) | 0.467 | 34 (5–254) | 24 (11–100) | 0.018 |
| ALP (U/L) | 74 (38–155) | 65 (40–177) | 0.065 | 76 (48–132) | 64 (41–177) | 0.063 |
| INR | 1.04 (0.87–1.27) | 1.03 (0.87–1.60) | 0.495 | 1.04 (0.96–1.27) | 1.03 (0.87–1.60) | 0.618 |
| Albumin (g/dL) | 4.4 (3.2–5.2) | 4.5 (4.0–5.2) | 0.196 | 4.3 (3.4–5.2) | 4.5 (4.0–5.2) | 0.098 |
| Creatinine (mg/dL) | 0.89 (0.50–2.08) | 0.91 (0.51–4.21) | 0.330 | 0.88 (0.56–2.08) | 0.91 (0.51–4.21) | 0.319 |
| CRP (mg/dL) | 0.09 (0.03–3.68) | 0.07 (0.03–0.42) | 0.427 | 0.11 (0.03–3.68) | 0.07 (0.03–0.42) | 0.250 |
| AFP (mg/dL) | 33.8 (1.3–200,000) | 11.8 (1.3–19,481) | 0.124 | 13.8 (1.3–14,841) | 13.0 (1.3–19,481) | 0.541 |
| PIVKA-II (mAU/mL) | 278.5 (12–75,000) | 32.5 (13–3695) | 0.001 | 43 (12–1270) | 33 (15–2685) | 0.569 |
| ICG-R15 (%) | 9.8 (4.2–20.7) | 9.3 (2.1–37.1) | 0.689 | 8.0 (4.2–18.2) | 9.3 (5.1–37.1) | 0.173 |
*OLH open left hepatectomy, LLH laparoscopic left hepatectomy, NBNC non B non C, HBV hepatitis B virus, HCV hepatitis C virus, WBC white blood cells, NLR neutrophil-lymphocyte ratio, AST aspartate transaminase, ALT alanine transaminase, ALP alkaline phosphatase, CRP C-reactive protein, AFP alpha-fetoprotein, PIVKA-II protein induced by vitamin K absence/antagonism-II, ICG-R15 indocyanine green retention rate at 15 min