Ultrasonographic Assessment with Three-Dimensional Mode of the Urethral Compression Effect following Sling Surgery with and without Mesh Surgery

Table 4

Postoperative ultrasound measurements from resting to straining in both groups.

	S (n=36)			S+M (n=40)
	Resting	straining	P-value	Resting	straining	P-value
Proximal (area)(mm2)	140.9±57.4	122.0±60.6	0.009	135.6±47.7	122.2±55.5	0.05
a (mm)	6.2±1.6	5.4±1.5	<0.001	5.8±1.2	5.4±1.2	0.027
b (mm)	7.0±1.6	6.8±1.8	0.34	7.4±2.0	7.0±2.2	0.19
Middle (area )(mm2 )	134.0±72.7	88.5±45.4	<0.001	147.9±69.3	90.7±48.4	<0.001
a (mm)	5.5±1.8	4.4±1.4	<0.001	5.9±2.0	4.5±1.4	<0.001
b (mm)	7.3±2.5	6.1±2.1	<0.001	7.8±2.1	6.1±1.7	<0.001
Distal (area )(mm2)	112.3±63.6	80.7±50.3	<0.001	130.9±82.2	93.4±52.9	<0.001
a (mm)	5.0±1.7	4.2±1.2	0.002	5.4±2.1	4.5±1.3	0.001
b (mm)	6.7±2.3	5.9±2.8	0.002	7.3±2.9	6.3±2.3	0.02
2-arm angle (°)	102.9±17.4	89.4±19.2	<0.001	110.0±15.9	93.9±19.3	<0.001
TU	5.3±1.8	4.3±1.7	<0.001	5.9±2.4	4.9±2.2	<0.001

S, sling; S+M, sling plus mesh; °, degree; TU, distance between the tape and urethra. Statistical significance; paired t-test