Table 6.
Measured concentrations of multiple vitamin D3 metabolites in plasma samples of healthy individuals
| 3β-25(OH)D3 |
3α-25(OH)D3 |
24,25(OH)2D3 |
1,25(OH)2D3 |
Vitamin D3 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Sample | Concentration (ng/ml) | CV% | Concentration (ng/ml) | CV% | Concentration (ng/ml) | CV% | Concentration (ng/ml) | CV% | Concentration (ng/ml) | CV% |
| 1 | 25.0 | 1.2 | 1.30 | 2.2 | 1.64 | 5.5 | 0.69 | 13.2 | 13.3 | 6.0 |
| 2 | 24.9 | 1.9 | 1.12 | 3.2 | 2.59 | 7.5 | <LLOQ | — | 7.4 | 5.7 |
| 3 | 54.4 | 2.0 | 2.99 | 2.0 | 5.92 | 2.1 | 0.57 | 13.0 | 12.5 | 2.4 |
| 4 | 7.4 | 2.8 | 0.29 | 3.0 | <LLOQ | — | <LLOQ | — | 4.3 | 6.6 |
| 5 | 35.8 | 3.7 | 1.90 | 3.0 | 3.90 | 1.7 | <LLOQ | — | 14.7 | 3.6 |
| 6 | 19.9 | 2.0 | 0.81 | 4.0 | 1.76 | 3.6 | <LLOQ | — | 4.9 | 7.6 |
| 7 | 25.1 | 2.3 | 0.94 | 3.5 | 1.77 | 3.4 | <LLOQ | — | 4.7 | 4.6 |
| 8 | 17.9 | 1.8 | 0.73 | 3.3 | 1.30 | 9.6 | <LLOQ | — | 3.8 | 11.1 |
| 9 | 22.1 | 2.7 | 1.16 | 3.8 | 2.36 | 5.0 | <LLOQ | — | 4.7 | 7.5 |
| 10 | 19.0 | 2.6 | 0.87 | 3.5 | 1.05 | 3.8 | <LLOQ | — | 7.8 | 7.5 |
| 11 | 14.1 | 3.2 | 0.49 | 3.6 | 1.36 | 7.7 | <LLOQ | — | 5.6 | 9.4 |
| 12 | 16.2 | 1.2 | 0.80 | 3.3 | 1.31 | 2.7 | <LLOQ | — | 4.9 | 8.2 |