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Table 2 Associations between Vitamin D and BMD at Lumbar, Femur neck, and Hip

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)DFree 25(OH)D
β(95% CI)ap valueβ(95% CI) ap value
Lumbar BMD0.002 (0.000, 0.004)0.0930.016 (0.002, 0.030)0.030*
Femur neck BMD0.002 (0.000, 0.004)0.0810.008 (−0.007, 0.023)0.290
Hip BMD0.001(−0.002, 0.004)0.4330.002 (−0.015, 0.019)0.798
Lumbar T score0.002(− 0.028, 0.032)0.9120.115 (− 0.070, 0.299)0.219
Femur neck T score0.014(−0.011, 0.039)0.2760.118 (−0.038, 0.274)0.135
Hip T score0.013(−0.009, 0.035)0.2540.024 (−0.112, 0.160)0.727
  1. CI Confidence interval
  2. a multiple linear regression model: adjusted for age, gender, BMI
  3. *means statistically significant values (p < 0.05)