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Table 4 Measured parameters in the patients and the control group (mean ± SD) during resting

From: Role of three-dimensional ultrasound in females with obstructed defecation (in comparison with defecography)

3D Ultrasonography measurementsPatientsControl groupP value
Mean ± SDMean ± SD
Levator Hiatus
 AP Diameter (cm)5.7 ± 0.74.4 ± 0.4< 0.001
 Tr Diameter (cm)3.7 ± 0.43.5 ± 0.30.06
 Area (cm2)16.3 ± 1.910.4 ± 0.< 0.001
IS Thickness (mm)2.1 ± 0.52.4 ± 0.70.12
ES Thickness (mm)1.8 ± 0.22.5 ± 0.5< 0.001
PRS Thickness (mm)2.7 ± 0.23.1 ± 0.3< 0.001