TABLE 2.

Comparison of C-index between the nomogram and other parameters in LIRI-JP cohort.

	C-index (95% confidence interval)
	Training cohort	Validation cohort	Entire cohort
Nomogram	0.797 (0.715–0.879)	0.800 (0.718–0.882)	0.791 (0.732–0.850)
riskScore	0.709 (0.599–0.819)	0.714 (0.596–0.832)	0.706 (0.626–0.786)
Stage	0.667 (0.549–0.785)	0.729 (0.637–0.821)	0.699 (0.625–0.773)
Gender	0.591 (0.475–0.706)	0.566 (0.454–0.678)	0.579 (0.499–0.659)