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Table 4 Comparison of Low bone mass risk 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

Smoking (%)

2/12 (16.7)

10/29 (34.5)

0.45

BMI < 19 kg/m2 (%)

2/10 (20)

2/29 (6.9)

0.27

Corticosteroids (%)

0

1/29 (3.4)

1

Osteoporosis inducing disease

Spondyloarthritis

1/12 (8.3)

0

0.2

Inflammatory bowel disease

1/12 (8.3)

0

0.2

Anorexia

1/12 (8.3)

1/29 (3.4)

0.50

Rheumatoid arthritis

0

1/29 (3.4)

1.0

Immobilization

3/10 (30.0)

3/29 (10.3)

0.16

25OHD < 30 ng/ml (%)

2/10 (20.0)

13/27 (48.1)

0.15

Low calcium intake (%)

1/12 (8.3)

1/29 (3.4)

0.50

Spine BMD (Z-score)

− 2.93 ± 1.57

− 1.48 ± 1.67

0.03

Femoral neck BMD (Z-score)

− 2.25 ± 0.90

− 0.7 ± 1.19

0.09

Total hip BMD (Z-score)

− 2.05 ± 0.74

− 0.53 ± 1.36

0.04

At least 1 risk factor, %

9/11 (81.8)

17/29 (58.6)

0.27

  1. 25OHD: 25-hydroxyvitamin D; BMD: Bone mineral density;