Preoperative variables | |
Age, years | 70 [39–81] |
Sex, male | 38 (68%) |
BMI, kg·m− 2 | 21.4 [15.0–30.5] |
ASA score ≥ 2 | 44 (79%) |
Charlson comorbidity index ≥ 2 | 5 (9%) |
Preoperative biliary drainage | 38 (68%) |
Portal vein embolization | 31 (55%) |
Serum total bilirubin, mg/dL | 0.9 [0.3–4.0] |
Serum albumin, g/dL | 3.7 [2.7–5.0] |
Serum CA 19–9, U/mL | 58.9 [0.2–6121.0] |
Intraoperative variables | |
Hepatectomy of more than 4 segments | 34 (61%) |
Operation time, min | 500 [317–760] |
Blood loss, mL | 1423 [270–6756] |
Blood transfusion | 26 (46%) |
Postoperative course | |
Major complications (Clavien grade ≥ IIIa) | 22 (39%) |
Surgical site infection | 26 (46%) |
Bile leakage (ISGLS grade B/C) | 9 (16%) |
Liver failure (ISGLS grade B/C) | 13 (23%) |
Length of hospitalization, days | 20 [10–70] |
Pathological data | |
Tumor size, mm | 26 [9–65] |
T3/4 (UICC 8th) | 16 (29%) |
Lymph node metastasis | 23 (41%) |
R1 resection | 24 (43%) |