Table 1.

Clinical and urethral measurement data of 27 patients who underwent radical prostatectomy

Parameter	Value
Age (years)	66.5 ± 6.0
PSA level (ng/mL)	11.9 ± 11.6
Pathologic Gleason score	7.4 ± 0.8
Prostate weight (g)	39.4 ± 14.2
Stretched urethral length (mm)	24.2 ± 3.3
Urethral circumference (mm)	27.5 ± 4.4
MRI urethral length (mm)	11.3 ± 1.6
MRI urethral diameter (mm)	10.6 ± 1.9
Stretched urethral length/MRI urethral length	2.2 ± 0.4

PSA: prostate-specific antigen; MRI: magnetic resonance imaging.