Table 3.

Multivariate Cox regression model results, including all the significant variables.

	OS			RFS
Variables	HR	95% CI	p-value	HR	95% CI	p-value
KRAS status: mutated vs. WT	2.984	1.338–6.659	0.008	3.807	1.764–8.214	0.001
Immune checkpoint score: high vs. low	0.308	0.156–0.609	0.001	0.527	0.298–0.933	0.028

CI, confidence interval; HR, hazard ratio; OS, overall survival; RFS, relapse-free survival; WT, wild type.