Table 2 Results of ROC optimal cut-off values for the elastic modulus of PB during the maximal Valsalva maneuver in the SUI group.

From: Assessment of perineal body properties in women with stress urinary incontinence using Transperineal shear wave elastography

Elastic modulus

Sensitivity, %

Specificity, %

Cut-off

Youden index

AUC

95%CI

P

Emax

Emean

PB length

PB height

PB perimeter

PB area

62.9

81.4

75.7

0

97.1

48.6

100.0

68.8

96.9

100.0

92.2

89.1

55.76 kPa

38.88 kPa

18.16 mm

8.89 mm

12.68 mm

3.21 cm2

0.629

0.502

0.726

0

0.893

0.376

0.872

0.832

0.938

0.023

0.986

0.709

0.815, 0.929

0.765, 0.898

0.902, 0.974

0.005, 0.041

0.973, 1.000

0.622, 0.797

 < 0.001*

 < 0.001*

 < 0.001*

 < 0.001*

 < 0.001*

 < 0.001*

  1. ROC Receiver operating characteristic curve, PB perineal body, SUI stress urinary incontinence, AUC the area under the curve, CI confidence interval, Emax the maximum elastic modulus, Emean the mean elastic modulus.
  2. *P < 0.05.