Table 2.
Percent change from baseline in aBMD, 25-hydroxyvitamin D, parathyroid hormone,and bone turnover markers among participants with complete data (N=69) (Mean±SD)
6 Months | 12 Months | |||||
---|---|---|---|---|---|---|
Percent Change | P Value | P Adjusted for TBF | Percent Change | P Value | P Adjusted for TBF | |
DXA parameters | ||||||
Lumbar spine aBMD | ||||||
Low VitD | 0.5 ± 3.1 | 0.34 | 0.51 | 0.4 ± 4.4 | 0.26 | 0.36 |
Moderate VitD | -0.3 ± 3.5 | -0.8 ± 4.6 | ||||
Total hip aBMD | ||||||
Low VitD | 0.4 ± 2.9 | 0.47 | 0.21 | -0.5 ± 3.1 | 0.74 | 0.51 |
Moderate VitD | -0.1 ± 2.8 | -0.8 ± 3.2 | ||||
Femoral neck aBMD | ||||||
Low VitD | -0.7 ± 3.9 | 0.79 | 0.90 | -1.1 ± 3.5 | 0.96 | 0.78 |
Moderate VitD | -0.4 ± 3.6 | -1.1 ± 5.1 | ||||
Distal 1/3 radius aBMD | ||||||
Low VitD | -1.6* ± 2.7 | 0.10 | 0.17 | -1.3* ± 2.8 | 0.69 | 0.67 |
Moderate VitD | -0.5 ± 2.9 | -1.6* ± 3.5 | ||||
Ultradistal radius aBMD | ||||||
Low VitD | -1.3* ± 3.1 | 0.73 | 0.53 | -1.6* ± 4.2 | 0.39 | 0.42 |
Moderate VitD | -1.0 ± 4.2 | -0.7 ± 4.7 | ||||
Vitamin D and bone turnover markers | ||||||
25-hydroxyvitamin D | ||||||
Low VitD | 45.1* ± 44.1 | 0.041 | 28.1* ± 41.9 | 0.031 | ||
Moderate VitD | 66.7* ± 78.0 | 51.2* ± 68.9 | ||||
Parathyroid hormone | ||||||
Low VitD | -17.7* ± 36.2 | 0.721 | -15.9 ± 71.4 | 0.568 | ||
Moderate VitD | -22.5* ± 31.8 | -24.2* ± 32.7 | ||||
P1NP | ||||||
Low VitD | -13.4* ± 38.4 | 0.527 | -8.1 ± 37.3 | 0.726 | ||
Moderate VitD | -6.8 ± 35.9 | −4.0 ± 41.1 | ||||
CTX | ||||||
Low VitD | -4.8 ± 51.0 | 0.315 | -9.9 ± 65.3 | 0.388 | ||
Moderate VitD | -17.0* ± 37.3 | -21.3* ± 42.0 |
Abbreviations: TBF: total body fat; CTX, C-telopeptide; P1NP, pro-collagen type 1 amino-terminal propeptide
p<0.05 for within-group change from baseline