Table 2.

C-index and AUC values for recurrence and progression in group 1 and group 2.

	Group 1		Group 2
Recurrence		95% CI		95% CI
C-index	0.635	(0.604–0.666)	0.652	(0.620–0.683)
AUC	0.743	(0.674–0.812)	0.737	(0.668–0.807)
Progression
C-index	0.704	(0.665–0.742)	0.728	(0.692–0.764)
AUC	0.759	(0.681–0.838)	0.783	(0.714–0.852)

AUC, Area Under Curve; C-index, index of concordance.