TABLE 3A.

Univariate Analysis of Variables Associated with OS and RFS After Curative Resection for Hilar Cholangiocarcinoma

	N	Overall Survival		Recurrence Free Survival
		Median Survival (mo)	p value	Median Survival (mo)	p value
No vascular resection	170	21	0.818	16	0.199
Portal vein resection	19	24		17
Hepatic artery resection	12	33		30
Lymph node status
Negative	110	25	0.002	1935	0.004
Positive	70	16		11
Age
<60 years	58	28	0.050	20	0.231
>60 years	142	18		16
ASA class ≥3	52	24	0.954	15	0.623
ASA class <3	148	20		17
T stage
T stage <3	211	22	0.002	19	<0.001
T stage ≥3	44	17		11
Grade
I	37	32	0.136	22	0.05
II	108	19		16
III	39	23		13
R0 resection status
R0	92	23	0.291	17	0.518
R1	39	19		15

ASA class, American Society of Anesthesiologists classification.