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Table 5 Comparison of Pregnancy and lactation-related factors in fractured and non-fractured OI patients

From: Osteogenesis Imperfecta: characterization of fractures during pregnancy and post-partum

 

Fractures

N = 12

No fracture

N = 38

p

Age (years; mean ± SD)

32.7 ± 3.1

29.3 ± 5.0

0.002

Number of pregnancies (mean ± SD)

0.5 ± 0.9

0.6 ± 0.8

0.6

Time since last pregnancy (years, mean ± SD)

4.1 ± 2.7

4.4 ± 2.0

0.51

Duration of lactation after previous pregnancy (months, mean ± SD)

5.5 ± 8.6

2.55 ± 4.8

0.86

Breastfeeding (yes, %)*

12/14 (85.7%)

Including 100% of patients with post-partum fractures

25/53 (47.1%)

0.03

  1. * For pregnancy-related factors, data presented are the number of occurrence of each variable (e.g. breastfeeding) on the total number of pregnancies in each group