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Table 1 Differences between groups during the last month of pregnancy reported as median (interquartile range) or average (± standard deviation)

From: Body perception disturbances in women with pregnancy-related lumbopelvic pain and their role in the persistence of pain postpartum

     

Test statistic for pairwise comparison

(p-value) (ES)

 

No

LPP (n = 31)

Minimal disability (n = 49)

Moderate disability (n = 50)

Test statistic (p-value)

No

LPP

-

Minimal disability

No LPP

-

Moderate disability

Minimal disability

-

Moderate disability

Age (years)

31 (29–34)

31 (29–33)

30 (29–32)

1.78a (0.42)

741.5b (0.86)

666.0b (0.29)

1058.0b (0.24)

Pre-pregnancy weight (kg)

63 (57–69)

65 (58–73)

62 (57–69)

0.63a (0.73)

678.5b (0.51)

759.0b (0.88)

1103.5b (0.49)

Weight gain (kg)

14.0 (± 4.5)

14.6 (± 4.3)

16.1 (± 6.2)

1.761c (0.18)

−5.97d (0.55)

−1.59d (0.12)

−1.35d (0.18)

NPRS LPP

0 (0–0)

3 (2–4)

6 (4–7)

NA

NA

NA

592.5 (< 0.001) (−0.45)

ODI-2

2 (0–10)

6 (2–12)

29 (22–35)

82.34a (< 0.001)

597.5b (0.10)

114.5b (< 0.001) (−0.72)

0.0b (< 0.001) (−0.86)

FreBAQ

0 (0–1)

0 (0–3)

5 (2–9)

37.86a (< 0.001)

608.5b (0.09)

248.0b (< 0.001) (−0.58)

547.5b (< 0.001) (−0.49)

  1. Significant p-values are highlighted in bold. Effect size for between-group differences are reported for statistically significant results
  2. Abbreviations: LPP lumbopelvic pain, NPRS Numerical Pain Rating Scale (0–10), ODI-2 Oswestry Disability Index - version 2 (0–100), FreBAQ Fremantle Back Awareness Questionnaire (0–36), ES effect size, NA not applicable
  3. aKruskal-Wallis H-value
  4. bMann-Whitney U-value
  5. cF-value
  6. dt-value