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Table 3 Associations between Vitamin D and Osteoporosis

From: Free vitamin D correlate better with bone mineral density and thoracolumbar junction osteoporotic vertebral fractures than serum vitamin D

Dependent variables:

Total 25(OH)D

Free 25(OH)D

Adjusted Odd ratio(95% CI)a

p value

Adjusted Odd ratio(95% CI)a

p value

Lumbar osteoporotic

0.963(0.906, 1.023)

0.218

0.550(0.349, 0.867)

0.010*

Femur neck osteoporotic

0.986 (0.940, 1.034)

0.554

0.915 (0.684, 1.223)

0.547

HIP osteoporotic

0.971 (0.925, 1.021)

0.251

0.942 (0.706, 1.255)

0.682

Any site osteoporotic

0.948 (0.883, 1.017)

0.138

0.578 (0.346, 0.966)

0.036*

  1. CI Confidence interval
  2. a multivariate logistic model: adjusted for age, gender, BMI
  3. *means statistically significant values (p < 0.05)