Table 4.

Baseline characteristics of control group.

Control group
	N (60)	Age (years) Mean (range)	PSA serum level (ng/mL) Mean (range)
Female	19	34 (10–60)	–
Male	35	45 (18–82)	< 2.50
	6	60 (50–75)	3.00 (2.00–5.50)