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Table 1 Characteristics of the study group, n = 411

From: Prevalence and factors associated with postpartum pelvic girdle pain among women in Poland: a prospective, observational study

 

All participants

n = 411

With PGP

n = 37

Without PGP

n = 374

Age

31.17 ± 4.01

32.35 ± 4.33

31.06 ± 3.96

Height [cm],

167.46 ± 5.69

167.00 ± 6.64

167.51 ± 5.60

BMI before pregnancy

22.14 ± 3.57

22.46 ± 3.20

22.10 ± 3.60

Body mass gain in pregnancy [kg]

14.30 ± 4.94

14.92 ± 4.28

14.24 ± 4.99

Education, n (%) †

vocational education

2 (0.5)

1

1

secondary education

43 (10.5)

2

42

university education

366 (89)

35

331

Parity, n (%)

1.72 ± 0.96

1.95 ± 1.10

1.70 ± 0.94

1

209 (50.80)

2

143 (34.80)

3

37 (9.00)

4

12 (3.00)

5

8 (2.00)

6

1 (0.20)

7

1 (0.20)

Mode of the last delivery, n (%)

vaginal

387 (94.20)

37 (100)

350 (93.60)

cesarean ‡

18 (4.30)

0

18 (4.80)

vacuum extractor ‡

6 (1.50)

0

6 (1.60)

Perineal injury during recent delivery, n (%)

none

162 (39.50)

18 (48.60)

144 (38.50)

1st grade

138 (33.50)

9 (24.30)

129 (34.50)

episiotomy

111 (27)

10 (27)

101 (27)

Anesthesia during last delivery, n (%)

none

238 (57.91)

24 (64.86)

214 (57.22)

epidural

154 (37.47)

12 (32.43)

142 (37.97)

spinal

19 (4.62)

1 (2.70)

18 (4.81)

Infant body mass ≥ 4000 g

yes

336 (81.75)

6 (16.22)

330 (88.24)

no

75 (18.25)

31 (83.78)

44 (11.76)

  1. † Participants with vocational education were excluded (from this calculations) because of the low number of records; ‡ no statistical analysis due to low number of observations; χ² Chi2 tet value; U Manna Whitney test value