All patients (n=78) ISUP grade group 1 (n=46) ISUP grade group 2 (n=21) ISUP grade group 3 (n=7) ISUP grade group 4(n=4) P value
PSA 6.9±1.9 6.5±1.8 7.4±1.8 7.3±1.4 9.2±0.4A 0.013Aa
Free PSA 1.2±0.5 1.2±0.5 1.2±0.6 1.2±0.4 1.5±0.7 0.850b
PSA density 0.2±0.08 0.1±0.08 0.2±0.07 0.1±0.03 0.3±0.08A 0.001Ab
Free / total PSA ratio 18±8.1 19.4±8.6 16.1±7.6 16.4±6.2 15.6±7.1 0.379b
Prostate volume 53.6±19.5 57.6±20.6 45.0±16.3 61.6±11.5A 39.3±12.8 0.022Aa