Groups information

Group name

eBNP

Groups definition

“eBNP” was considered when the length of the spared intraprostatic segment of BN was ⩾1cm (measured by using the length of the branches of the curved robotic scissors as a marker) and the neck diameter was comparable to the diameter of the urethra, that is, not requiring BN reconstruction before anastomosis

Groups remarks

bladder neck preservation

Clinical T stage

T1

51 (58%)

T2a

26 (29.5%)

T2b

8 (9.1%)

T2c

2 (2.3%)

T3a

1 (1.1%)

N stage, M stage