Table 6.

Comparison between nomogram and TNM classification in RSCC.

Variables	C-index	95% CI	P value
Derivation cohort			<0.001
Nomogram	0.79	0.781–0.799
TNM stage	0.631	0.622–0.640
Validation cohort			<0.001
Nomogram	0.821	0.798–0.844
TNM stage	0.624	0.590–0.658
Whole cohort			<0.001
Nomogram	0.78	0.773–0.787
TNM stage	0.629	0.622–0.636