Visualization of Polypropylene and Polyvinylidene Fluoride Slings in Perineal Ultrasound and Correlation with Clinical Outcome

Table 1

Vertical movement of the slings from resting position during contraction and Valsalva manoeuvre (in cm).

	Mean (SD)	Min.	Max.	𝑃 value
Supine position
Contraction
PVDF	0.09 (±0.07)	0.01	0.21	0.30
PP	0.12 (±0.06)	0.02	0.27
Valsalva
PVDF	0.25 (±0.15)	0.09	0.64	0.96
PP	0.29 (±0.26)	0.02	1.34
Upright position
Contraction
PVDF	0.08 (±0.06)	0.01	0.18	<0.05
PP	0.19 (±0.19)	0.01	0.75
Valsalva
PVDF	0.13 (±0.07)	0.04	0.24	0.11
PP	0.24 (±0.20)	0.02	0.77

SD: standard deviation; Min.: minimum value; Max.: maximum value; PVDF: polyvinylidene fluoride; PP: polypropylene.