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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: BJU Int. 2015 Mar 30;116(4):577–583. doi: 10.1111/bju.13087

Table 3.

MRI variables. All values are median (IQR).

n=2,849
ILD (mm) 16 (15, 18)
OLD (mm) 39 (37, 42)
Levator Thickness (mm)* 12 (10, 13)
Urethral Width (mm) 12 (11, 13)
Membranous Urethral Length (mm) 12 (10, 15)
Urethral Volume (mm3)** 1,357 (1021, 1726)
Prostate Width (mm) 51 (47, 55)
Prostate Length (mm) 28 (25, 33)
Prostate Height (mm) 43 (39, 49)
Prostate Volume (cm3)*** 31 (24, 44)
Prostate Depth (mm) 25 (21, 31)
Bony Width (mm) 104 (99, 109)
Lower Conjugate (mm) 105 (99, 110)
Midpelvic Area (cm2)**** 86 (79, 92)
Symphysis Angle (degree) 42 (38, 47)
*

calculated: (OLD – ILD)/2

**

calculated: membranous urethra length × π × (urethra width/2)2

***

calculated: prostate width × prostate length × prostate height × π/6/1000 (cm3)

****

calculated: (bony width × lower conjugate × π)/400 (cm2)