Table 9 Detection results of 23 elements in the serum of healthy individuals from the Henan Rural Cohort (μg/L)

19.896 ± 2.505

16.642

18.424

19.706

21.257

23.684

68.130 ± 40.573

25.304

44.035

59.738

80.830

134.012

0.327 ± 0.240

0.180

0.238

0.287

0.350

0.543

1.323 ± 1.935

0.488

0.725

0.937

1.208

3.067

2.738 ± 1.824

1.718

2.127

2.439

2.896

4.357

1.043 ± 0.382

0.480

0.789

1.007

1.256

1.728

0.139 ± 0.097

0.070

0.088

0.106

0.142

0.362

3.599 ± 3.403

1.397

1.880

2.474

4.174

8.066

0.927 ± 0.192

0.652

0.792

0.910

1.045

1.253

0.844 ± 0.152

0.649

0.760

0.830

0.916

1.080

0.716 ± 0.628

0.335

0.455

0.580

0.761

1.485

67.552 ± 13.100

50.473

58.742

66.057

73.805

88.496

0.135 ± 0.026

0.102

0.119

0.133

0.148

0.174

71.997 ± 18.178

46.417

59.418

69.653

83.111

105.533

1.378 ± 0.709

0.737

0.998

1.223

1.553

2.403

0.071 ± 0.166

0.025

0.040

0.052

0.070

0.139

0.808 ± 0.381

0.271

0.552

0.770

1.023

1.504

3.722 ± 1.790

0.063

2.627

4.013

4.986

6.128

28.993 ± 12.079

14.894

22.169

26.338

34.679

50.303

0.044 ± 0.093

0.016

0.023

0.033

0.046

0.091

0.031 ± 0.013

0.017

0.023

0.028

0.036

0.056

1.983 ± 3.930

0.331

0.840

1.320

2.446

4.757

0.038 ± 0.039

0.007

0.011

0.014

0.074

0.113