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Table 2 Differences in outcomes during late pregnancy between women lost to follow-up and women who were not

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

 

Lost to follow-up

(n = 76)

Not lost to follow-up

(n = 54)

Mann-Whitney U

(p-value) (ES)

Age (years)

30 (28–32)

31 (29–33)

1678.5 (0.07) (−0.16)

Pre-pregnancy weight (kg)

63 (58–70)

61.5 (56–69)

1770.0 (0.22)

Gestational weight gain (kg)

16 (13–19)

14 (11–17)

1527.5 (0.03) (−0.19)

NPRS LPP (0–10)

3 (1–6)

2 (0–5)

1621.0 (0.04) (−0.18)

ODI-2 (0–100)

16 (4–29)

8 (3–20)

1643.0 (0.05) (−0.17)

FreBAQ (0–36)

2 (0–6)

2 (0–5)

1907.0 (0.46)

  1. Values reported as median (interquartile range)
  2. Significant p-values (p < 0.05) are highlighted in bold, nearly significant p-values (0.05 < p < 0.10) in italics. Effect size for between-group differences are reported for statistically and nearly statistically significant results
  3. Abbreviations: NPRS Numerical Pain Rating Scale, LPP lumbopelvic pain, ODI-2 Oswestry Disability Index - version 2, FreBAQ Fremantle Back Awareness Questionnaire, ES effect size