Table 2.

Comparison of ultrasound measurements between the two groups

	PFD group (n = 53)	No PFD group (n = 55)	P
Distance from the bladder neck to the posterior inferior border of the pubic symphysis	19.86±4.64	24.98±5.02	0.01
Bladder descent	28.98±6.43	19.04±6.53	0.02
Distance from the cervix to the posterior inferior border of the symphysis pubis	32.45±10.34	38.43±9.67	0.01
Cervical descent	26.21±5.97	23.12±6.89	0.02
Urethral rotation	59.53±12.12	35.01±9.18	0.003
Anterior and posterior diameters of resting anal fissure	46.94±5.35	41.53±5.20	0.01
Anterior and posterior diameters of retracted anal fissure	38.98±7.84	27.73±3.84	0.003
Anterior and posterior diameters of the anal fissure during Maximal Valsalva maneuver	52.24±7.45	42.45±4.78	0006
Shortening rate during retraction	18.03±4.24	32.44±6.02	0.002
Elongation at Maximal Valsalva maneuver	10.21±2.12	4.56±2.31	0.001

Note: PFD is pelvic floor disorder; compared with the no PFD group.