Before matching | After matching | |||||
---|---|---|---|---|---|---|
OLR (n = 145) | LLR (n = 133) | P | OLR (n = 75) | LLR (n = 75) | P | |
Age, years | 76 (70–90) | 75 (70–85) | 0.393 | 75 (70–90) | 75 (70–83) | 0.649 |
Male sex | 101 (69.7) | 98 (73.7) | 0.457 | 51 (68.0) | 53 (70.7) | 0.723 |
BMI, kg/m2 | 22.6 (15.3–32.0) | 23.1 (16.4–34.5) | 0.4 | 23.0 (15.3–29.9) | 23.1 (16.6–34.5) | 0.891 |
History of open abdominal surgery, n (%) | 35 (24.1) | 16 (12.0) | 0.008 | 14 (18.7) | 11 (14.7) | 0.511 |
Preexisting medical condition | ||||||
Hypertension | 78 (53.8) | 84 (63.2) | 0.114 | 46 (61.3) | 43 (57.3) | 0.618 |
Diabetes mellitus | 49 (33.8) | 54 (40.6) | 0.24 | 28 (37.3) | 28 (37.3) | 1.00 |
Renal failure | 12 (8.3) | 9 (6.8) | 0.634 | 5 (6.7) | 7 (9.3) | 0.547 |
Ischemic heart disease | 31 (21.4) | 18 (13.5) | 0.085 | 12 (16.0) | 15 (20.0) | 0.524 |
COPD or pulmonary disease | 10 (6.9) | 9 (6.8) | 0.966 | 5 (6.7) | 6 (8.0) | 0.754 |
Antiplatelet (aspirin) intake, n (%) | 19 (13.1) | 20 (15.4) | 0.643 | 10 (13.3) | 9 (12.0) | 0.806 |
ASA classification | 0.022 | 0.867 | ||||
I | 0 (0) | 0 (0) | 0 (0) | 0 (0) | ||
II | 81 (55.7) | 92 (69.2) | 46 (61.3) | 45 (60.0) | ||
III | 64 (44.2) | 41 (30.8) | 29 (38.7) | 30 (40.0) | ||
Hepatitis status | 0.07 | 0.569 | ||||
HBV positive | 20 (13.8) | 34 (25.5) | 14 (18.7) | 15 (20.0) | ||
HCV positive | 77 (53.1) | 56 (42.1) | 42 (56.0) | 34 (45.3) | ||
HBV HCV positive | 2 (1.4) | 3 (2.3) | 1 (1.3) | 1 (1.3) | ||
HBV HCV negative | 46 (31.7) | 40 (30.1) | 18 (24.0) | 25 (33.4) | ||
Child–Pugh classification | 0.662 | 0.699 | ||||
A | 138 (95.2) | 128 (96.2) | 72 (96.0) | 71 (94.7) | ||
B | 7 (4.8) | 5 (3.8) | 3 (4.0) | 4 (5.3) | ||
AFP level (ng/mL) | 10 (2.0–113,560) | 6 (2.0–8900) | 0.069 | 10 (2.0–5359) | 8 (2–8900) | 0.953 |
PIVKA-II level (mAU/mL) | 103 (10–115,454) | 48 (2.8–24,892) | 0.041 | 51 (10–37,080) | 56 (10–24,892) | 0.451 |
PLT (× 104/μL) | 14.4 (3.2–47.4) | 15.6 (4–36) | 0.056 | 14.7 (4.1–47.4) | 14.6 (6.8–33.1) | 0.638 |
ALB (g/L) | 3.9 (2.8–4.8) | 4.2 (2.8–5.1) | < 0.001 | 4.0 (2.8–4.8) | 4.1 (2.8–5.0) | 0.596 |
T-Bil (mg/L) | 0.7 (0.2–2.2) | 0.7 (0.2–1.9) | 0.326 | 0.7 (0.3–2.2) | 0.6 (0.2–1.9) | 0.996 |
ALT (IU/L) | 26 (6–175) | 24 (2–227) | 0.458 | 27 (9–175) | 30 (2–101) | 0.699 |
AST (IU/L) | 32 (12–327) | 30 (13–177) | 0.149 | 33 (15–327) | 30 (14–94) | 0.777 |
Prothrombin time (%) | 87 (60–100) | 91 (68–100) | 0.008 | 88 (66–100) | 88 (68–100) | 0.909 |
ICG-R15 (%) | 13.9 (3.2–35.4) | 13.0 (3.6–35.3) | 0.071 | 13.0 (3.2–33.4) | 14.4 (3.6–35.3) | 0.578 |
Size of the largest tumor (mm) | 27.0 (1.6–170) | 23.0 (1.4–82) | 0.012 | 21.0 (2.7–80) | 24.0 (10–82) | 0.239 |
Number of tumors | 1 (1–4) | 1 (1–3) | 0.623 | 1 (1–4) | 1 (1–3) | 0.666 |
Surgical procedure, n (%) | 0.319 | 0.726 | ||||
Right-sided hepatectomy (excision of any segment from segment 5–8) | 105 (72.4) | 89 (66.9) | 52 (69.3) | 50 (66.7) | ||
Left-sided hepatectomy (excision of any segment from segment 2–4) | 40 (27.6) | 44 (33.1) | 23 (30.7) | 25 (33.3) | ||
Surgical procedure, n (%) (detailed surgical techniques) | < 0.001 | 0.961 | ||||
Limited liver resection or lateral sectionectomy | 50 (34.5) | 69 (51.9) | 35 (46.7) | 37 (49.3) | ||
Segmentectomy | 29 (20.0) | 34 (25.6) | 18 (24.0) | 17 (22.7) | ||
Sectionectomy | 34 (23.4) | 18 (13.5) | 16 (21.3) | 14 (18.7) | ||
Hemihepatectomy or more than three sectionectomy | 32 (22.1) | 12 (9.0) | 6 (8.0) | 7 (9.3) |