TABLE 2.
Measured outcomes1
| Measured outcome | Placebo (n = 15) | Vitamin D3 in OJ (n = 18) | Vitamin D2 in OJ (n = 17) | Vitamin D3 in capsules (n = 20) | Vitamin D2 in capsules (n = 16) |
| 25(OH)D (ng/mL) | |||||
| Initial | 19.8 ± 9.6 | 17.9 ± 11.1 | 15.8 ± 10.0 | 19.6 ± 11.1 | 16.6 ± 9.9 |
| Final | 18.1 ± 6.4 | 30.7 ± 8.5 | 26.4 ± 7.4 | 28. ± 11.0 | 27.4 ± 10.5 |
| Difference | −1.7 ± 5.8 | 12.8 ± 10.1 | 10.6 ± 7.2 | 9.3 ± 7.1 | 10.8 ± 5.9 |
| (−7.5, 1.2) | (8.1, 17.5) | (7.2, 14.0) | (6.2, 12.7) | (7.9, 13.9) | |
| PTH (pg/mL) | |||||
| Initial | 44.3 ± 27.1 | 37.1 ± 23.2 | 35.7 ± 17.4 | 42.0 ± 31.0 | 29.0 ± 18.7 |
| Final | 41.1 ± 19.4 | 25.6 ± 14.7 | 25.7 ± 14.9 | 34.2 ± 24.6 | 36.2 ± 22.9 |
| Difference | −3.2 ± 20.3 | −11.5 ± 19.9 | −10.0 ± 17.5 | −7.8 ± 22.9 | 7.2 ± 18.7 |
| (−13.5, 7.1) | (−20.7, −2.3) | (−18.3, −1.7) | (−17.8, 2.2) | (−2.0, 16.4) | |
| Calcium (mg/dL) | |||||
| Initial | 9.4 ± 0.3 | 9.4 ± 0.3 | 8.8 ± 2.1 | 9.3 ± 0.4 | 9.5 ± 0.4 |
| Final | 9.4 ± 0.3 | 9.4 ± 0.4 | 9.6 ± 0.3 | 9.4 ± 0.4 | 9.5 ± 0.3 |
| Difference | 0.0 ± 0.3 | 0.0 ± 0.4 | −0.8 ± 2.3 | 0.1 ± 0.3 | 0.0 ± 0.3 |
| (−0.1, 0.1) | (−0.2, 0.2) | (−1.9, 0.3) | (−0.2, 0.2) | (−0.2, 0.2) | |
| Albumin (g/dL) | |||||
| Initial | 4.4 ± 0.3 | 4.3 ± 0.4 | 4.4 ± 0.4 | 4.3 ± 0.3 | 4.3 ± 0.3 |
| Final | 4.3 ± 0.3 | 4.1 ± 0.3 | 4.4 ± 0.3 | 4.2 ± 0.4 | 4.3 ± 0.2 |
| Difference | −0.1 ± 0.3 | −0.2 ± 0.2 | 0.0 ± 0.2 | −0.1 ± 0.3 | 0.0 ± 0.2 |
| (−0.2, 0.0) | (−0.3, −0.1) | (−0.1, 0.1) | (0.0, 0.2) | (−0.1, 0.1) |
1
All values are means ± SDs; 95% CIs in parentheses. OJ, orange juice; 25(OH)D, 25-hydroxyvitamin D; PTH, parathyroid hormone.