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Table 4 BMD comparaison between groups for qualitatives variables

From: Prevalence and risk factors of low bone mineral density in spondyloarthritis and prevalence of vertebral fractures

 

AP LS

Femoral neck

Total hip

Lateral LS

BMD g/cm2 Mean ± SD

p

BMD g/cm2 Mean ± SD

p

BMD g/cm2 Mean ± SD

p

BMD g/cm2 Mean ± SD

p

Gender

 Female

0.984 ± 0.135

 

0.778 ± 0.114

 

0.894 ± 0.113

 

0.79 ± 0.11

 
  

0.24

 

0.25

 

0.04

 

0.17

 Male

1.04 ± 0.19

 

0.807 ± 0.117

 

0.948 ± 0.122

 

0.82 ± 0.14

 

Smoking status

 Never

0.980 ± 0.131

 

0.794 ± 0.121

 

0.934 ± 0.120

 

0.808 ± 0.141

 

 ces >3 years

1.088 ± 0.265

0.47

0.797 ± 0.102

0.98

0.934 ± 0.109

0.78

0.831 ± 0.154

0.54

 ces ≤3 years

1.048 ± 0.578

 

0.804 ± 0.089

 

0.888 ± 0.098

 

0.892 ± 0.074

 

 Current

1.016 ± 0.138

 

0.796 ± 0.127

 

0.921 ± 0.134

 

0.790 ± 0.120

 

Vitamin D suppl

 Never, n (%)

1.015 ± 0.15

 

0.805 ± 0.093

 

0.927 ± 0.103

 

0.814 ± 0.128

 

 Past, n (%)

1.016 ± 0.12

 

0.783 ± 0.138

 

0.921 ± 0.140

 

0.814 ± 0.148

 

 Current, n (%)

1.029 ± 0.275

0.66

0.794 ± 0.130

0.58

0.927 ± 0.129

0.98

0.811 ± 0.141

0.93

  1. BMD bone mineral density, AP anterior-posterior, LS lumbar spine, ces cessation, suppl supplementation, p p value