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Table 4 Observational and measured characteristics in the pain side/ non-pain side PR of women with unilateral PR or IC pain

From: Exploring transvaginal sonographic characteristics of the levator ani muscle in women with postpartum pelvic floor myofascial pain

 

unilateral PR pain

unilateral IC pain

Characteristic

Pain side

(n = 38)

Non-pain side

(n = 38)

P value

Pain side

(n = 32)

Non-pain side

(n = 32)

P value

Deficiency

21 (55.3%)

1 (2.6%)

< 0.001

4 (12.5%)

3 (9.4%)

1

Focal thickening

0

0

–

0

0

–

Length (cm)

5.361 ± 0.508

5.464 ± 0.513

0.120

5.496 ± 0.614

5.491 ± 0.480

0.951

Minimum width (cm)

0.418 (0.350, 0.529)

0.463 (0.390, 0.527)

0.375

0.463 ± 0.112

0.477 ± 0.108

0.577

Area (cm2)

3.717 ± 0.779

3.658 ± 0.659

0.379

3.686 ± 0.618

3.795 ± 0.715

0.120

Grayscale

126.369 ± 11.847

132.171 ± 12.427

< 0.001

128.367 (116.164, 137.199)

124.874 (118.422, 132.919)

0.139

AAP (°)

79.031 ± 10.305

77.900 ± 11.699

0.397

70.472 ± 11.801

76.077 ± 10.520

0.004

  1. PR puborectalis, IC iliococcygeus, AAP the angle between the arch tendineus levator ani and puborectalis