Table 2.

Postoperative outcomes

	PVE (n = 298)	No PVE (n = 1186)	p-Value
Pathology diagnosis (n = 1460)			0.830
Perihilar cholangiocarcinoma	279 (95)	1088 (93)
Benign	6 (2)	29 (3)
Other	8 (3)	48 (4)
Tumor-free margin (n = 1417)	185 (64)	745 (66)	0.341
Morbidity Dindo grade III or higher (n = 1474)	177 (59)	520 (44)	< 0.001
Liver failure ISGLS grade B/C (n = 1472)	81 (27)	166 (14)	< 0.001
Biliary leakage ISGLS grade B/C (n = 1475)	59 (20)	248 (21)	0.690
Hemorrhage ISGLS grade B/C (n = 1214)	18 (10)	61 (6)	0.078
Intra-abdominal abscess (n = 1475)	50 (17)	257 (22)	0.127
90-day mortality (n = 1484)	53 (18)	136 (12)	0.005

Data are expressed as n (%)

PVE Portal vein embolization, ISGLS International Study Group of Liver Surgery