Table 1.

Age distribution of patients

Age (years)	Frequency (%)	Mean tPSA (ng/mL)	n
40–49	1 (7)	0.50±0.00	1
50–59	12 (9.0)	7.76±7.37	11
60–69	54 (40.3)	18.95±24.35	47
70–79	43 (32.1)	30.71±33.65	39
80–89	22 (16.4)	31.87±29.90	17
90–99	2 (1.5)	66.70±47.09	2
Total	134 (100.0)	24.35±29.13	117 (r=0.318, P<0.001)

Abbreviation: tPSA, total prostate-specific antigen.