Table 1.

Clinical parameters for patients who underwent curative resection with extended right hepatectomy (ERH) without portal vein embolization (PVE) or after PVE.

Parameter	ERH without PVE (n=123)	ERH after PVE (n=87)	P
Age, median (range), y	56 (25–85)	53 (33–77)	0.13
Gender, male, no. (%)	65 (52.8)	60 (69)	0.02
ASA score ≥3, no. (%)	78 (63.4)	71 (82)	0.004
sFLR at presentation, median (IQR), %	-	18.1 (14.1–22.7)	-
sFLR before surgery, median (IQR), %	27.5 (22.8–33.3)	27.1 (21.5–34.2)	0.94
Preoperative chemotherapy, no. (%)	91 (74.0)	76 (87)	0.02
Number of tumors, median (range)	3 (1–21)	5 (1–21)	0.0002
Maximum tumor size, median (range), mm	30 (10–260)	33 (5–190)	0.82
Operation time, median (range), min	170 (81–551)	305 (85–745)	<0.0001
Blood loss, median (range), mL	400 (40–2900)	500 (50–3500)	0.37
Transfusion, no. (%)	30 (24.4)	15 (17)	0.34
Major complication, no. (%)	27 (22.0)	27 (31)	0.14
Postoperative hepatic insufficiency, no. (%)	18 (14.6)	9 (10)	0.48
90–day mortality, no. (%)	5 (4.1)	6 (7)	0.37

ASA, American Society of Anesthesiologists; IQR, interquartile range; sFLR, standardized future liver remnant.