Table 1.

Clinical characteristics of human populations in normal, BPH and PCa cohorts

characteristics	Normal	BPH	PCa
No. of patients	70	40	126
Age(years) Median(range)	70(50-81)	72(48-82)	67(51-82)
Serum PSA(ng/mL) Median ± SD	1.534 ± 0.988	9.236 ± 2.357	142.9 ± 21.71
Serum XPNPEP2(ng/mL) Median ± SD	85.82 ± 8.16	76.94 ± 12.86	77.35 ± 7.72