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Table 1 PSA, PSA density and free/total PSA levels in Group A

From: Prostate-specific antigen increase after urethral catheterisation: fact or myth

Parameter Before catheterisation I day after catheterisation 3 days after catheterisation P value
PSA (ng/ml) 1.08 ± 0.12 1.42 ± 0.24 1.37 ± 0.25  > 0.05
Free/total PSA 28.65 ± 2.21 28.15 ± 2.10 28.35 ± 1.9  > 0.05
PSA density 0.045 ± 0.003 0.057 ± 0.008 0.053 ± 0.007  > 0.05