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
T1
51 (58%)
T2a
26 (29.5%)
T2b
8 (9.1%)
T2c
2 (2.3%)
T3a
1 (1.1%)