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| N | <25 nmol l−1 deficient | 25 to <50 nmol l−1 insufficient | ≥50 nmol l−1 sufficient | |
|---|---|---|---|---|
| Prevalence of 25OHD deficiency mid-gestation and cord 25OHD concentrations | ||||
| Mid-gestation | 3 867 | 628 (16%) | 997 (26%) | 2 242 (58%) |
| Cord | 2 851 | 1 031 (36%) | 1 136 (40%) | 684 (24%) |
Abbreviations: 25OHD, 25-hydroxyvitamin D; nmol l−1, nanomoles per liter.
