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Table 4 Multivariate analysis: Risk factors associated with BMD Z-score ≤ -2

From: Factors associated with low bone density in patients referred for assessment of bone health

Factor

Odds ratio (95% CI)

p

BMI z-score

 

<0.001

1 unit increase

0.52 (0.39, 0.69)

 

Height z-score

 

0.002

1 unit increase

0.71 (0.57, 0.88)

 

Vitamin D Insufficiency

 

<0.001

Yes

3.97 (2.08, 7.59)

 

Not Documented/No

1.00

 

Malabsorption or IBD

 

0.001

Yes

0.29 (0.14, 0.60)

 

No

1.00

 

Recipient of a bone marrow transplant

 

0.050

Yes

5.78 (1.00, 33.45)

 

No

1.00

 
  1. BMD Z-score ≤ -2, N = 86; BMD Z-score > -2, N = 196.
  2. c statistic for model = 0.789.