Table-II.

PSA (Prostate-specific antigen) values by age.

Age group	Referral to urologist	p- Value
	Patient’s PSA value (ng/mL)
	X±s.s.
40-54 years	1.21±0.98	0.01*
55-69 years	5.75±4.71
70 years and older	7.15±8.43

**Analysis of variance

^*Significant difference at the 0.05 level.