Table 3.

Comparison of the accuracy of survival prediction between the TNM stage with and without the immune infiltrating score

Cohort	TNM stage		Immune infiltrating score + TNM stage		P-value
	c-index	95% CI	c-index	95% CI
Training cohort	0.619	0.594–0.643	0.686	0.659–0.714	< 0.001
Validation cohort	0.661	0.621–0.700	0.695	0.650–0.740	< 0.001

CI confidence interval