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 7

Patients with false negative CPC result for prostate cancer.

	Gleason score	Number of samples positive for cancer	% of sample infiltrated
1	4	2/12	5%
2	4	2/12	5%
3	4	2/12	7%
4	4	1/12	5%
5	4	2/12	5%
6	4	1/12	5%
7	4	2/12	15%
8	4	6/12	50%
9	5	4/12	50%
10	5	2/12	3%
11	6	1/12	2%
12	7	4/12	15%
13	7	1/12	30%