Table 1.

Clinicopathological characteristics of the participants for serum sample

Characteristics	PCa patients n (%)	Healthy control n (%)
No. of patients	40	32
Ethnicity
Caucasian American	16 (40)	20 (62.5)
African American	24 (60)	12 (37.5)
Age (yr)
Mean±SD	70±7	49.3±9.6
Median (range)	69 (58–86)	48(33–70)
Primary tumor
pT1–pT2	40 (100)	–
pT3–pT4	0 (0)	–
Hormone therapy
Yes	12 (30)	–
No	28 (70)	–
Gleason sum
≤6	13 (32.5)	–
=7	16 (40)	–
≥8	11 (27.5)	–
Lymph node metastasis
Nx	27 (67.5)	–
N0	13 (32.5)	–
N1–N4	0 (0)	–
Distant metastasis
Mx	24 (60)	–
M0	16 (40)	–
M1	0 (0)	–