Table 1.
Definition of vitamin D status. 1 nmol/L = 0.4 ng/mL.
| Vitamin D status | Concentration of serum 25(OH)D |
|---|---|
| Vitamin D deficiency | <50 nmol/L |
| Vitamin D insufficiency | 50–75 nmol/L |
| Vitamin D sufficiency | >75 nmol/L |
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