Table 4.

Topography of the BN at rest and during straining, and its mobility assessed by perineal ultrasonography in the pre- and post-operative evaluation

ExMI group (N = 16)	Rest		Straining		Mobility, mm	BN hypermobility	Q-tip straining angle, o
	dx	dy	dx	dy
Pre-ExMI	−4.2 ± 6.1	21.2 ± 2.2	−11.8 ± 6.9	9.2 ± 10.9	10.9 ± 4.7	9 (56.3)	41.1
Post-ExMI	−2.7 ± 5.1	21.8 ± 3.9	−12.6 ± 5.3	9.7 ± 9.9	11.8 ± 6.4	11 (68.8)	44.4
p	0.243*	0.491*	0.693*	0.865*	0.426*	0.574*	0.574*

Values are given as mean ± SD (mm) or n (%).

^*Paired t test.

BN = bladder neck; ExMI = extracorporeal magnetic innervation.