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Table 1 Comparison between case and control groups muscle thickness

From: MRI comparative study of levator ani muscle changes in nulliparous and multiparous females

 

Case (n = 26)

Control (n = 26)

t

P

Rt ilio-coccygeus (mm)

  

0.83

0.4

 Min.–max.

2–6.2

3–6.8

  

 Mean ± SD

4.02 ± 1.15

4.3 ± 1.03

  

Lt ilio-coccygeus (mm)

  

1.98

0.054

 Min.–max.

1.4–5.1

2.6–6.4

  

 Mean ± SD

3.69 ± 1.1

4.3 ± 1.03

  

Rt puborectalis (mm)

  

4.53

≤.001

 Min.–max.

1.7–12

7.2–12

  

 Mean ± SD

6.67 ± 2.34

9.1 ± 1.38

  

Lt puborectalis (mm)

  

− 4.95

≤.001

 Min.–max.

1.7–11

7.8–15

  

 Mean ± SD

6.7 ± 2.25

9.5 ± 1.8

  

Midpoint puborectalis (mm)

  

− 2.22

0.03

 Min.–max.

2.6–11

5.3–9.5

  

 Mean ± SD

5.9 ± 2.1

6.9 ± 0.99