Table 5. Area under curve (AUC) from time-dependent receiver operating characteristic (ROC) curves.

	AUC (95%CI)		Z-test	P-value
	8-lncRNA Risk score	Nomogram
Training cohort
1-Year	0.764 (0.721-0.807)	0.746 (0.700-0.792)	-0.564	0.573
3-Year	0.756 (0.720-0.792)	0.829 (0.793-0.865)	2.798	0.005
5-Year	0.742 (0.704-0.780)	0.825 (0.781-0.869)	2.777	0.006
Testing cohort
1-Year	0.797 (0.748-0.846)	0.660 (0.581-0.739)	-2.900	0.004
3-Year	0.739 (0.678-0.799)	0.673 (0.611-0.735)	-1.491	0.136
5-Year	0.724 (0.651-0.797)	0.801 (0.759-0.843)	2.302	0.021
Entire TCGA BLCA cohort
1-Year	0.742 (0.710-0.774)	0.778 (0.748-0.808)	1.608	0.108
3-Year	0.769 (0.732-0.806)	0.755 (0.720-0.790)	-0.537	0.591
5-Year	0.730 (0.685-0.775)	0.750 (0.704-0.796)	0.612	0.541