External Validation of the Cancer of the Prostate Risk Assessment Postsurgical Score for Prediction of Disease Recurrence after Radical Prostatectomy

Table 3

C-indexes of CAPRA-S groups and three-risk level model for 3 years BCR-free survival.

Time	Variables	c-index (95% CI)	value
3 years	CAPRA-S score group	0.82 (0.68–0.90)	<0.05
	Three-risk level model	0.78 (0.65–0.88)	<0.05