Functional transition: Inconsistently parallel to the increase in future liver remnant volume after preoperative portal vein embolization

Table 1 Patient characteristics at baseline (n = 33)

Characteristics	n
Age (yr), mean (range)	67.7 (40-80)
Men/women	20/13
HBsAg positivity, n (%)	3 (9.0)
HCV positivity, n (%)	2 (6.1)
Diagnosis, n (%)
Hilar cholangiocarcinoma	20 (60.6)
Hepatoma	6 (18.2)
Gallbladder cancer	3 (9.1)
Intrahepatic cholangiocarcinoma	2 (6.1)
Metastatic tumor	2 (6.1)
Child-Pugh score (5/6/7/8), n	23/7/1/2
Child-Pugh classification (A/B), n	30/3
ICGR15 (%), mean (range)	10.1 (1.5-33.2)
Preoperative biliary drainage, n (%)	17 (51.5)
Initial resection ratio (%), mean ± SD	64.5 ± 5.48
Initial CT volume of FLR (mL), mean ± SD	410.9 ± 79.4
Average time between PVE and operation, d (range)	30.0 (15-94)
Type of hepatectomy, n (%)
Right hepatectomy + caudal lobectomy	19 (57.6)
Right hepatectomy	9 (27.3)
Left trisectionectomy + caudal lobectomy	4 (12.1)
Left hepatectomy + caudal lobectomy	1 (3.0)
Biliary reconstruction, n (%)	24 (72.7)

HBsAg: Hepatitis B virus surface antigen; HCV: Hepatitis C virus; ICGR15: Indocyanine green retention at 15 min; SD: Standard deviation; CT: Computed tomography; FLR: Future liver remnant; PVE: Portal vein embolization.