Table 2.

Covariates for time to event end points.

Covariate	Variables
Age (years)	≤69 and ≥70
Sex	Male, female
Number of lines of previous chemotherapy	0, 1, 2-5, ≥6
Primary tumor in situ	Yes, no
Eastern Cooperative Oncology Group performance status	0, 1, and ≥2
Presence of extrahepatic metastases	Yes, no
Prior liver procedures	Yes, no
Number of liver tumors	1, 2-5, and ≥6
Percentage tumor to liver volume	Continuous