Table 3.
The relationship between total 25(OH)D or free 25(OH)D and select markers of bone turnover.
| Marker | Normal Albumin (>3.5 g/dL) | Low Albumin (≥3.5 g/dL) | ||||
|---|---|---|---|---|---|---|
| r | Coefficient | p-value | r | Coefficient | p-value | |
| iPTH, pg/mL | ||||||
| Total 25(OH)D | −0.47 | −0.53 | 0.01 | 0.07 | 0.16 | 0.62 |
| Free 25(OH)D | −0.46 | −2.08 | 0.01 | −0.03 | −0.17 | 0.84 |
| Serum C-telopeptide, ng/mL | ||||||
| Total 25(OH)D | −0.52 | −0.02 | <0.01 | 0.03 | 0.002 | 0.82 |
| Free 25(OH)D | −0.49 | −0.06 | <0.01 | 0.24 | 0.04 | 0.09 |
| Bone-specific alkaline phosphatase, ug/L | ||||||
| Total 25(OH)D | −0.22 | −0.34 | 0.26 | 0.09 | 0.29 | 0.51 |
| Free 25 (OHD) | −0.04 | −0.25 | 0.84 | −0.06 | −0.46 | 0.68 |
| Amino-terminal pro-peptide of type 1 collagen, ng/mL | ||||||
| Total 25(OH)D | −0.06 | −1.46 | 0.76 | −0.26 | 4.58 | 0.06 |
| Free 25(OH)D | 0.07 | 7.3 | 0.71 | 0.01 | 0.55 | 0.93 |
| Osteocalcin, ng/mL | ||||||
| Total 25(OH)D | −0.52 | −0.18 | <0.01 | 0.15 | 0.13 | 0.29 |
| Free 25(OH)D | −0.33 | −0.47 | 0.08 | 0.34 | 0.79 | 0.01 |