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Table 1 The baseline of the women with PFMP and the normal control after delivery

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

Baseline

PFMP(n = 77)

Normal control(n = 143)

Z/t/𝜒2

P value

Age

30.740 ± 4.706

31.070 ± 4.041

0.544

0.587

Education

  

0.903

0.342

High school

45 (58.4%)

74 (51.7%)

  

College

32 (41.6%)

69 (48.3%)

  

Height

158.721 ± 4.272

160.017 ± 4.935

1.946

0.053

Weight

55.196 ± 6.619

56.508 ± 6.767

1.382

0.168

BMI

21.898 ± 2.481

22.051 ± 2.508

0.434

0.677

Lactation

65 (84.4%)

135 (94.4%)

6.044

0.014

Gestational week

39.10 (38.20, 40.0)

39.00 (38.50, 39.60)

−0.033

0.973

Mode of delivery

  

2.181

0.14

Vaginal birth

60 (77.9%)

98 (68.5%)

  

C-section

17 (22.1%)

45 (31.5%)

  

Postpartum days

56.00 (49.00, 68.50)

53.00 (47.00, 66.00)

0.863

0.388

Gravidity

2.00 (1.00, 3.00)

2.00 (1.00, 2.00)

0.872

0.383

Parity

1.00 (1.00, 2.00)

1.00 (1.00, 2.00)

0.463

0.643

Number of vaginal births

1.00 (1.00, 2.00)

1.00 (0.00, 2.00)

1.999

0.046

Number of C-sections

0.00 (0.00,0.00)

0.00 (0.00, 1.00)

−1.833

0.067

Episiotomy

16 (20.8%)

26 (18.2%)

0.219

0.64

Laceration

34 (44.2%)

57 (39.9%)

0.381

537

Operative delivery

3 (3.9%)

3 (2.1%)

0.61

0.435

Birth weight

3.090 (2.845, 3.425)

3.200 (2.950, 3.500)

−1.661

0.097

Urinary incontinence

25 (32.5%)

23 (16.1%)

7.876

0.005

POP-Q

    

Anterior vaginal wall

  

0.004

0.951

0

1 (1.3%)

2 (1.4%)

  

I

76 (98.7%)

141 (98.6%)

  

Uterus/fornix

  

0.037

0.848

0

27 (35.1%)

52 (36.4%)

  

I

50 (64.9%)

91 (63.6%)

  

Posterior vaginal wall

    

0

13 (16.9%)

34 (23.8%)

1.416

0.234

I

64 (83.1%)

109 (76.2%)

  

Strength of PFM

    

Type I muscle

  

1.093

0.579

I

52 (67.5%)

94 (65.7%)

  

II

21 (27.3%)

36 (25.2%)

  

III

4 (5.2%)

13 (9.1%)

  

Type II muscle

  

2.209

0.53

I

21 (27.3%)

32 (22.4%)

  

II

30 (39.0%)

64 (44.8%)

  

III

20 (26.0%)

41 (28.7%)

  

IV

6 (7.8%)

6 (4.2%)

  
  1. PFMP pelvic floor myofascial pain, SEMG surface electromyography, POP-Q Pelvic Organ Prolapse Quantification, PFM pelvic floor muscle
  2. Continuous variables with a normal distribution are presented as mean ± SD (standard deviation) and compared using independent samples t-test
  3. Continuous variables with a non-normal distribution are presented as median (interquartile range) and compared using the Mann-Whitney U test
  4. Categorical variables are presented as numbers (percentages) and compared using the Chi-square test
  5. Significant differences in lactation, number of vaginal births, and urinary incontinence were found between the women with PFMP and the normal control group
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BMC Women's Health

ISSN: 1472-6874

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