A Comparative Performance Analysis of Total PSA, Percentage Free PSA, PSA Velocity, and PSA Density versus the Detection of Primary Circulating Prostate Cells in Predicting Initial Prostate Biopsy Findings in Chilean Men

Table 6

Gleason scores (GS) of missed cancers.

	GS4	GS5	GS6	GS7	GS8	GS9	Total
Free PSA	6	12	7	7	1	0	33
PSA velocity	8	18	8	11	1	0	46
PSA density	7	19	9	9	0	0	44
CPC negative	8	2	1	2	0	0	13