Skip to main content
. 2023 Nov 22;35(1):127–138. doi: 10.1007/s00192-023-05674-3

Table 3.

Assessment of the change in position of the bladder neck and levator plate on ultrasound imaging between runners with and those without running-induced stress urinary incontinence

Before the run After the run
No RI-SUI RI-SUI No RI-SUI RI-SUI Between-group Within-group Interaction
Mean n SD Mean n SD Mean n SD Mean n SD p value Cohen's d p value Cohen's d p value Cohen's d
3D ultrasound change on MVM
Area (cm2) 3.23 18 2.16 2.92 18 2.20 3.01 18 2.01 2.09 18 2.34 0.371 0.33 0.127 0.57 0.379 0.32
AP diameter (cm) 0.46 18 0.62 0.42 18 0.54 0.35 18 0.55 0.27 18 0.36 0.694 0.14 0.136 0.55 0.809 0.09
ML diameter (cm) 0.33 18 0.28 0.30 18 0.23 0.32 18 0.23 0.26 18 0.33 0.574 0.20 0.527 0.23 0.685 0.14
2D ultrasound change on MVC
BN height (mm) 2.41 18 2.75 4.36 17 4.10 3.57 18 2.94 4.48 17 2.97 0.163 0.50 0.143 0.52 0.234 0.42
LP length (mm) -9.70 18 4.60 -11.06 18 4.71 -10.84 18 5.65 -12.95 18 5.48 0.276 0.38 0.034 0.76 0.583 0.19
2D ultrasound change on MVM
BN height (mm) -9.71 19 4.00 -8.90 17 4.33 -8.40 19 3.73 -8.46 17 4.04 0.77 0.11 0.041 0.73 0.296 0.36
LP length (mm) 6.00 17 7.34 5.05 18 5.08 4.63 17 5.33 2.84 18 3.77 0.444 0.27 0.004 1.08 0.471 0.26

Negative values indicate a shortening of the levator plate or a caudal descent of BN height

RI-SUI running-induced stress urinary incontinence, MVC maximal voluntary contraction, MVM maximal Valsalva maneuver, 2D 2-dimensional, 3D 3-dimensional, BN bladder neck, LP levator plate, AP antero-posterior, ML medio-lateral, SD standard deviation

Significant differences (α =  ≤ 0.05) are indicated in bold