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Serum vitamin D (25(OH)D) concentrations among first trimester pregnant women (N = 396)
| Serum vitamin D | n | Percent | Median (IQR 25 %, 75 %) |
|---|---|---|---|
| Serum concentration of 25 (OH)D nmol/L | 27.11 (19.87,36.99) (min = 7.50, max = 121.43) | ||
| Serum concentration of 25 (OH) D nmol/L (categorized) | |||
| <25.00 nmol/L | 174 | 43.9 | |
| 25-49.99 nmol/L | 184 | 46.5 | |
| 50-74.99 nmol/L | 33 | 8.3 | |
| ≥75 nmol/L | 5 | 1.3 | |
| Serum concentration of 25 (OH) D nmol/L (categorized) | |||
| <50 nmol/L | 358 | 90.4 | |
| ≥50 nmol/L | 38 | 9.6 |
