Relationship between serum prostate-specific antigen and transrectal prostate sonographic findings in asymptomatic Ugandan males

African Journal of Urology

Table 4 Comparison with published age-specific reference ranges

Age groups	Age-specific serum PSA levels
Age groups	Mulago/current study	Suggested reference ranges	Nigerians	Indian men	African American	Japan
30–39	0.4–0.9	–	–	0.61–0.76	–	–
40–49	0.7–1	0.0–2.5	0–4.78	0.72–0.85	0–2.7	0.0–2.0
50–59	0.9–2	0.0–3.5	0–5.47	0.93–1.13	0–4.4	0.0–3.0
60–69	4–7	0.0–4.5	0–8.93	1.16–1.45	0–6.7	0.0–4.0
70 +	2–4	0.0–6.5	–	1.42–2.35	0–7.7	0.0–5.0