Table 2.

Univariate and multivariate analysis of prognostic factors

Parameter	Hazard ratio	95% CI	P value
Primary site
Small intestine
Pancreas	5.05	1.12–22.8	0.04
Other	2.67	0.27–26.2	0.40
Grade
Well
Moderate	2.07	0.25–17.0	0.50
Unspecified	0.97	0.32–2.97	0.96
Hepatic tumor burden
<50%
>50%	1.32	0.44–3.96	0.62
Prior progression
No
Yes	6.05	1.45–25.2	0.03
Age	0.91	0.84–0.99	0.03

CI, confidence interval.