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 2

Absolute detection rates of prostate cancer and no cancer according to test.

	Free PSA		PSA velocity		PSA density		Total		CPC		Total
	≤15%	>15%	≥0.75	<0.75	≥0.15	<0.15	(+)	(−)	(+)	(−)
Cancer	80	33	67	46	69	44	97	16	100	13	113
No cancer	62	128	75	115	60	130	104	86	22	168	190
𝑃 = Chi-squared	𝑃 = 0.001		𝑃 = 0.001		𝑃 = 0.001		𝑃 < 0.0001		𝑃 < 0.0001