Table 2.

Multivariable analysis of recurrence-free and overall survival.

Prognostic Factor	Recurrence-Free Survival
	p	HR 1	95%-CI 2
Pedicle clamping (Pringle)	0.017	0.67	0.48–0.93
>3 hepatic metastases	0.011	1.63	1.12–2.36
Allogeneic blood transfusion	0.002	1.05 3	1.02–1.08
Charlson co-morbidity index	0.014	1.23	1.04–1.45
Positive resection margins	0.003	2.08	1.29–3.34
	Overall Survival
	p	HR 1	95%-CI 2
Age > 70 years	0.034	1.43	1.03–1.98
Pedicle clamping (Pringle)	0.009	0.60	0.41–0.88
>3 hepatic metastases	0.012	1.68	1.12–2.51
Allogeneic blood transfusion	0.001	1.06 3	1.02–1.10
Charlson co-morbidity index	0.009	1.30	1.07–1.57
Positive resection margins	<0.001	3.18	1.92–5.27

¹ HR: Hazard Ratio; ² 95%-CI: 95% confidence-interval; ³ HR for the number of ABT-units.