Table 2 MRI results of each robot-assisted radical prostatectomy.

From: Investigating the mechanism underlying urinary continence using dynamic MRI after Retzius-sparing robot-assisted radical prostatectomy

 

Median (IQR) or n (%)

Conventional

Retzius-sparing

p-value

Number of patients

47

50

 

Pre-operative

MUL, mm

11 (9 to 13)

10 (8 to 12)

0.24

PL, mm

38 (35 to 41)

38 (35 to 41)

0.66

DMU-PO, mm

7 (5.5 to 8.5)

7 (4.5 to 9.5)

0.192

BA-PS, mm

18 (13.5 to 22.5)

16 (12 to 20)

0.814

Post-operation

PBN, mm

22.5 (19.5 to 25.5)

21 (17.5 to 24.5)

0.319

MUL, mm

10 (9 to 11)

10 (9 to 11)

0.996

DMU-PO, mm

4 (2.5 to 5.5)

4 (1.5 to 6.5)

0.139

BA-PS, mm

4 (0 to 8)

15 (10 to 20)

 < 0.001

Pre-post*

DMU-PO, mm

3 (2 to 4)

3 (2 to 4)

0.997

BA-PS, mm

13 (9.5 to 16.5)

0 (− 3 to 3)

 < 0.001

  1. BA-PS, bladder attachment to public symphysis; DMU-PO, distal end of membranous urethra to misline of the pelvic outlet; PAL, public symphysis to prostate apex length; PBN, public symphysis to bladder neck; PL, prostate length.
  2. *Change from pre- to post.
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