Table 1.

Demographic and clinical characterization of the healthy and experimental groups

		PCa men	Healthy
Mean age (yr)
	40-50	46.77	46.08
	51-60	55.47	55
Total PSA (level $\pm$ SD)
	Normal range 0.0-4.5 ng/mL	- 1.11 $\pm$ 0.07
	$>$ 4.5 ng/mL	39.82 $\pm$ 2.6	-
	Free PSA ratio	6.8 $\pm$ 2	-
Experimental and healthy samples were obtained from men aged 40-60 according to the above data. PSA: Prostate-specific antigen, compression of total and free PSA ratio in both groups also described