From: Development and validation of a nomogram based on biparametric MRI PI-RADS v2.1 and clinical parameters to avoid unnecessary prostate biopsies
Correlation coefficient (r)
p value
bpMRI PI-RADS v2.1 score
0.503
 < 0.001
tPSA
0.143
fPSA
-0.004
0.901
Age
0.084
0.030
Prostate volume
-0.357
PSAd
0.279