Table 2.
The distribution of five maternal essential metal element concentrations in the second trimester.
| Metal Elements | Percentile | |||||||
|---|---|---|---|---|---|---|---|---|
| Min | 5 | 25 | 50 | 75 | 95 | Max | IQR | |
| Cu (μmol/L) | 11.86 | 15.90 | 19.87 | 23.22 | 27.15 | 32.73 | 40.10 | 7.28 |
| Ca (mmol/L) | 1.18 | 1.47 | 1.59 | 1.68 | 1.78 | 1.96 | 2.13 | 0.19 |
| Fe (mmol/L) | 4.59 | 6.24 | 7.03 | 7.48 | 7.90 | 8.70 | 11.55 | 0.87 |
| Mg (mmol/L) | 1.13 | 1.20 | 1.31 | 1.40 | 1.49 | 1.65 | 1.91 | 0.18 |
| Zn (μmol/L) | 52.08 | 66.75 | 78.08 | 86.36 | 95.61 | 109.75 | 146.50 | 17.53 |
Notes: Min, minimum; Max, maximum; IQR, inter quartile range; Cu, copper; Ca, calcium; Fe, iron; Mg, magnesium; Zn, zinc.