Table 1.
Heavy metal levels in all BioMadrid participants with blood samples and metal determinations available
| Metal | Specimen | Participant | N | Geometric mean (95% CI) | p25** | p50 | p75 |
|---|---|---|---|---|---|---|---|
|
Lead (ug/L) |
Umbilical cord blood |
Newborn |
114 |
14.09 (12.77-15.55) |
10.56 |
13.80 |
19.11 |
|
Peripheral blood |
Women |
140 |
19.80 (18.16-21.62) |
14.08 |
18.98 |
27.21 |
|
|
Peripheral blood |
Men |
140 |
33.00 (30.48-35.64) |
23.81 |
33.24 |
43.21 |
|
|
Mercury (ug/L) |
Umbilical cord blood |
Newborn |
108* |
6.72 (5.74-7.87) |
4.95 |
7.66 |
11.03 |
|
Peripheral blood |
Women |
140 |
3.90 (3.38-4.50) |
2.39 |
4.61 |
6.83 |
|
|
Peripheral blood |
Men |
140 |
5.38 (4.69-6.17) |
3.46 |
5.99 |
9.13 |
|
|
Cadmium (ug/L) |
Umbilical cord blood |
Newborn |
114 |
0.27 (0.23-0.31) |
0.13 |
0.27 |
0.55 |
|
Peripheral blood |
Women |
140 |
0.53 (0.45-0.61) |
0.31 |
0.60 |
0.96 |
|
| Peripheral blood | Men | 140 | 0.49 (0.42-0.58) | 0.13 | 0.63 | 1.09 |
*p25 = percentile 25th; p50 = percentile 50th; p75 = percentile 75th.
**In six cases, cord blood samples were insufficient for mercury analyses.