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Table 2 Frequency of clinical and US features in 36 DRA patients and 24 nulliparous healthy controls

From: Muscle elasticity is different in individuals with diastasis recti abdominis than healthy volunteers

Findings

DRA (n = 36)

Non-DRA (n = 24)

Total (n = 60)

p value

Age (y) *

28.56 ± 3.70

26.71 ± 4.71

27.82 ± 4.20

0.095

Height (cm)

161.57 ± 4.90

163.08 ± 4.84

162.18 ± 4.89

0.243

BMI prepregnancy (kg/m2)

20.17 ± 2.00

20.59 ± 2.15

20.34 ± 2.06

0.438

BMI predelivery (kg/m2)

25.97 ± 3.03

/

/

/

Weight gain (kg)

15.09 ± 5.51

/

/

/

Birth weight (kg)

3.71 ± 0.68

/

/

/

Delivery mode

 CS

32

/

/

/

 VD

4

/

/

/

Lumbopelvic pain

 Yes

34

0

34

 < 0.001

 No

2

24

26

 

IRD (cm)

 M1

0.93 ± 0.81

0

0.49 ± 0.75

 < 0.001

 M2

3.00 ± 1.28

0

1.80 ± 1.78

 < 0.001

 M3

4.59 ± 1.14

0

2.76 ± 2.43

 < 0.001

 M4

2.16 ± 1.35

0

1.30 ± 1.49

 < 0.001

 M5

0.19 ± 0.49

0

0.10 ± 0.36

0.052

DRA pattern

 

/

/

/

Pattern 1 (only above navel)

5

/

/

/

Pattern 2 (only below navel)

0

/

/

/

Pattern 3 (at navel level)

0

/

/

/

Pattern 4 (complete but wider above navel)

26

/

/

/

Pattern 5 (complete but wider below navel)

5

/

/

/

Muscle thickness (mm)

 RA

7.97 ± 1.60

9.99 ± 1.33

8.80 ± 1.79

 < 0.001

 EO

5.11 ± 1.05

6.18 ± 1.07

5.54 ± 1.17

 < 0.001

 IO

5.95 ± 1.09

5.49 ± 1.22

5.76 ± 1.16

0.135

 TrA

2.42 ± 0.45

2.96 ± 0.78

2.63 ± 0.66

0.004

SWS (m/s)

 RA

1.69 ± 0.20

1.82 ± 0.13

1.74 ± 0.18

0.003

 EO

1.65 ± 0.15

1.79 ± 0.14

1.71 ± 0.16

0.001

 IO

1.62 ± 0.15

1.54 ± 0.15

1.59 ± 0.16

0.070

 TrA

1.68 ± 0.22

1.45 ± 0.18

1.59 ± 0.23

 < 0.001

  1. DRA diastasis recti abdominis, BMI body mass index, CS cesarean section, VD vaginal delivery, IRD inter-rectus distance, RA rectus abdominis, EO external oblique, IO internal oblique, TrA transversus abdominis, SWS shear wave speed