Table 1 Concentrations of trace elements in the maternal hairs (N = 119, μg/g)

From: Prenatal exposure to trace elements impacts mother-infant gut microbiome, metabolome and resistome during the first year of life

Class

Elements

DF

Mean (± SD)

Min

P25

P50

P75

Max

Toxic elements

Mercury

100

0.47 ( ± 1.10)

0.11

0.26

0.33

0.47

12.3

Cadmium

67

0.04 ( ± 0.09)

n.d.

0.00*

0.01

0.01

0.62

Lead

94

0.49 ( ± 0.81)

n.d.

0.13

0.20

0.45

5.61

Arsenic

78

0.08 ( ± 0.15)

n.d.

0.01

0.03

0.05

0.87

Aluminum

98

7.27 ( ± 7.83)

n.d.

3.22

5.86

8.77

75.1

Nutrient elements

Iron

98

16.8 ( ± 19.8)

n.d.

7.70

10.8

17.9

174

Zinc

100

275 ( ± 276)

1.32

171

205

282

2190

Selenium

97

5.50 ( ± 39.5)

n.d.

0.40

0.48

0.56

413

Copper

100

10. 5 ( ± 6.10)

1.25

7.91

9.27

11.6

57.9

Manganese

97

0.35 ( ± 0.32)

n.d.

0.13

0.26

0.39

1.67

Others

Nickel

82

0.44 ( ± 1.83)

n.d.

0.03

0.12

0.27

18.0

Barium

100

3.43 ( ± 2.76)

0.24

1.71

2.59

4.33

20.6

  1. *The value < 0.01.
  2. DF detection frequency (%), SD standard deviation, Min, the minimum value; P25, percentile 25; P50, percentile 50; P75, percentile 75; Max, the maximum value; n.d., not detected.
Back to article page