Table 4.

Caudate resection’s impact on OS and RFS (univariate)^*.

	Caudate resection (n = 90)	No caudate resection (n = 166)	P value
OS (months)	37.4 (28.4–46.3)	32.2 (26.0–38.3)	.16
RFS (months)	53.2 (29.2–67.2)	50.7 (38.4–63.0)	.22
Disease specific survival (months)	62.2 (47.3–77.1)	58.7 (46.5–70.9)	.10
Recurrence	29(32%)	70(42%)	.14
Local recurrence	8(28%)	20(29%)	1.00
Distant recurrence	13(45%)	32 (46%)	1.00
Both	8 (28%)	14(20%)	.43
Not recorded	0 (0%)	4 (6%)	.32
Site distant recurrence
Liver	11 (52%)	20 (43%)	.60
Lung	2(10%)	2 (4%)	.58
Peritoneum	3(14%)	12(26%)	.36
Liver + lung	2(10%)	1(2%)	.23
Liver + peritoneum	2(10%)	5(11%)	1.00
Liver + lung + peritoneum	1 (5%)	1(2%)	.53
Other	0(0%)	5(11%)	.17

^*Categorical variables expressed as n (%). Continuous variables expressed as mean (95% confidence interval).