| Monopolar (n = 160) | Bipolar (n = 104) | P value |
---|---|---|---|
Age | 68 (17–87, 14) | 69 (30–85, 13) | 0.745 |
Sex (male/female) | 116/44 | 73/31 | 0.685 |
BMI | 22.7 (12.5–32.3, 4.50) | 22.7 (15.9–37.1, 4.40) | 1.000 |
ASA (1/2/3) | 14/130/16 | 10/79/15 | 0.516 |
Diagnosis (HCC/CCC/meta/biliary tract cancer/benign disease/other) | 72/10/42/16/17/3 | 65/6/21/3/9/0 | 0.045 |
Background liver disease (normal/HCV/HBV/ASH/NASH/other) | 90/43/12/4/8/3 | 42/43/9/3/5/2 | 0.135 |
Liver fibrosisa (f0–1, f2–4) | 57/56 | 33/51 | 0.120 |
Type of resection (partial/lateral/subsegmentectomy/segmentectomy/hemihepatectectomy/trisegmentectomy) | 48/2/38/22/48/2 | 22/5/33/14/30/0 | 0.362 |
Number of resected lesions | 1 (1–16, 0) | 1 (1–3, 0) | 0.970 |
Size of the largest nodule on preoperative imagingb (cm) | 2.5 (0.60–20, 3.0) | 2.5 (0.50–13, 2.0) | 0.776 |
Number of nodules on preoperative imagingb | 1 (1–10, 1) | 1 (1–10, 1) | 0.868 |
Lymph node dissection (yes/no) | 37/123 | 11/93 | 0.010 |
Biliary reconstruction (yes/no) | 24/136 | 7/97 | 0.041 |
Intraoperative drain insert (yes/no) | 159/1 | 104/0 | 0.606 |
Duration of drain placement | 5 (0–223, 5) | 5 (2–94, 3) | 0.272 |
Neoadjuvant chemotherapy (yes/no/previous) | 27/120/13 | 11/90/3 | 0.059 |
Total bilirubin (mg/dL) | 0.70 (0.3–3.1, 0.30) | 0.80 (0.40–1.7, 0.40) | 0.285 |
 ≥ 1.1/ < 1.1 | 29/131 | 19/85 | 0.976 |
Aspartate transaminase (IU/L) | 28 (13–155, 18) | 35 (9–104, 26) | 0.021 |
 ≥ 31/ < 31 | 67/93 | 62/42 | 0.005 |
Albumin (g/dL) | 4.1 (3.0–5.0, 0.40) | 3.9 (2.3–4.9, 0.50) | 0.001 |
 ≥ 3.9/ < 3.9 | 122/38 | 58/46 |  < 0.001 |
Prothrombin activity (%) | 100 ± 17 | 92 ± 15 |  < 0.001 |
 ≥ 69/ < 69 | 154/6 | 100/4 | 0.605 |
Activated partial thromboplastin time (%) | 91 (24–140, 30) | 81 (46–140, 24) | 0.003 |
 ≥ 69/ < 69 | 131/29 | 84/20 | 0.821 |
Hemoglobin (g/dL) | 13 ± 2.2 | 13 ± 1.8 | 0.009 |
 ≥ 11.4/ < 11.4 | 136/24 | 75/29 | 0.011 |
Platelet (× 104/μL) | 18.1 (3.20–61.8, 9.20) | 16.4 (4.80–49.9, 8.60) | 0.185 |
 ≥ 15.3/ < 15.3 | 102/58 | 65/39 | 0.837 |
Blood urea nitrogen (mg/dL) | 14.9 (7.00–39.5, 5.60) | 14.6 (7.00–27.2, 6.40) | 0.423 |
 ≥ 20.0/ < 20.0 | 24/136 | 16/88 | 0.932 |
Creatinine (mg/dL) | 0.78 (0.35–5.50, 0.30) | 0.75 (0.43–2.30, 0.28) | 0.427 |
 ≥ 1.07/ < 1.07 | 21/139 | 12/92 | 0.703 |
C-reactive proteinc (mg/dL) | 0.10 (0.00–9.80, 0.18) | 0.11 (0.01–24.2, 0.28) | 0.439 |
 ≥ 0.14/ < 0.14 | 61/93 | 35/44 | 0.491 |
ICGR15d (%) | 15 (1–51, 10) | 11 (1–45, 10) | 0.003 |
 ≥ 10/ < 10 | 116/37 | 54/45 | 0.002 |
Child–Pugh score | 5 (5–6, 0) | 5 (5–8, 0) | 0.352 |