Table 1 Study population according to the two groups of patients (fractured versus non-fractured). p-values (last column) refers to the comparison between the group of patients in which a vertebral fracture occurred at follow-up (fracture = yes) and those who did not develop a vertebral fracture (fracture = no)

Menopause age

48.4

5.1

38–60

48.1

5.4

48.6

4.8

0.5

Weight

60.0

9.6

37–98

58.5

7.9

60.9

10.5

0.4

Age

66.3

9.8

41–88

66.6

10.6

66.1

9.3

0.35

BMI

24.2

3.7

14.82–34.89

24.4

3.7

24.1

3.7

0.8

Lumbar BMC

41.32

9.92

14.96–81.01

37.25

8.10

44.03

10.11

0.021

Lumbar BMD

0.813

0.131

0.525–1.281

0.774

0.090

0.867

0.142

< 0.005

Lumbar BSI

2.298

0.586

1.076–4.299

2.467

0.54

2.031

0.581

0.28

Neck BMC

3.12

0.50

2.11–4.74

2.96

0.37

3.29

0.53

0.001

Neck BMD

0.667

0.091

0.365–0.879

0.603

0.073

0.698

0.102

0.006

Neck BSI

1.929

0.521

0.772–3.991

2.085

0.614

1.821

0.450

< 0.005

TF BMC

24.81

4.46

14.84–38.58

23.71

3.75

25.66

4.73

0.023

TF BMD

0.773

0.11

0.427–1.111

0.752

0.101

0.801

0.115

0.20

TF BSI

1.638

0.402

0.992–3.332

1.751

0.482

1.606

0.325

< 0.005