Table 2.

Individual values for the distance from the anal verge where the puborectalis was best identified with anal ultrasound and with HDM

HDM, cm	Ultrasound, cm
3.2	3.75
3.2	3.5
3.2	3
3.2	3.5
4.0	4.75
3.2	2.5
3.6	3.5
Mean =3.37	Mean =3.5

HDM, high-definition 3-D topography