Table 3. Comparison of the mean values for the four pelvic muscles volume (symptomatic v. non-symptomatic side of the LBLP group).

Pelvic Muscle	Rater	Mean MV±SD		p value
		Symptomatic side	Non-symptomatic Side
GMax	1	672997.7 ± 132687.9	715571±144140.4	<0.001
	2	668439.7±133899.4	711815±142749.7	<0.001
GMed	1	277369.7±45887.38	285759.2±52299.07	0.077
	2	276749.9±57113.54	287154.7±57775.21	0.077
GMin	1	74224.92±18035.65	79827.08±18697.04	<0.001
	2	74779.36±18026.08	79368.71±19401.51	<0.001
Pir	1	26565.83±7792.95	28836.94±8915.23	<0.001
	2	26879.36±7853.31	29386.14±8894.19	<0.001

p–value of the Wilcoxon signed rank test