Table 2.
Vitamin D levels at the initiation of hemodialysis before administration of any exogenous activated vitamin D according to race/ethnicitya
| Parameter | White | Hispanic | Black |
|---|---|---|---|
| 25-Hydroxyvitamin D (ng/ml; mean ± SD) | 23.2 ± 13.7 | 20.7 ± 11.2 | 16.9 ± 10.9b,c |
| ≤10 (%) | 15 | 13 | 30b,c |
| 10 to 30 (%) | 59 | 70 | 58 |
| >30 (%) | 26 | 17 | 12 |
| 1,25-Dihydroxyvitamin D (pg/ml; mean ± SD) | 11.2 ± 9.6 | 10.7 ± 7.3 | 10.2 ± 11.1b |
| ≤10 (%) | 56 | 59 | 61 |
| 10 to 30 (%) | 40 | 41 | 36 |
| >30 (%) | 4 | 0 | 3 |
a
25-Hydroxyvitamin D levels were available for 653 white, 125 Hispanic, and 372 black patients. 1,25-Dihydroxyvitamin D levels were available for 374 white, 76 Hispanic, and 219 black patients.
b
Significant differences (P < 0.05) versus White.
c
Significant differences (P < 0.05) between black and Hispanic.