Serum vitamin D levels at baseline and at 12 months. Values are number (%) unless otherwise indicated.
| Serum Vitamin D | All Patients with SLE, n = 267 | Intervention, n = 178 | Placebo, n = 89 |
|---|---|---|---|
| Baseline | |||
| Mean 25(OH)D, ng/ml, mean (SD) | 19.8 (16.5)* | 19.9 (16.3) | 19.7 (16.7) |
| 25(OH)D < 30 ng/ml | 183 (69) | 122 (69) | 61 (68) |
| 25(OH)D < 10 ng/ml | 87 (33) | 58 (33) | 29 (33) |
| At 12 months | |||
| Mean 25(OH)D, ng/ml | 33.9 (16.7)* | 37.8 (16.3)** | 19.9 (16.2) |
| 25(OH)D < 30 ng/ml | 88 (33) | 34 (19) | 54 (61) |
| 25(OH)D < 10 ng/ml | 30 (11) | 0 (0) | 30 (34) |