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Table 2 Age-specific serum PSA levels of participants

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

Age group 30–39 40–49 50–59 60–69 ≥ 70
Number of subjects 51 67 61 54 44
Serum PSA levels
Minimum 0.1 0.1 0.1 0.2 0.1
Median 0.6 1 1 6  
Maximum 6 6 8 16 13
95% CI of median
Lower confidence limit 0.4 0.7 0.9 4 2
Upper confidence limit 0.9 1 2 7 4