Table 4:
Element | Univariate Test | ASD mean in μg/mL | TD mean in μg/mL | ASD SD | TD SD | % TD Below Detection limit | % ASD Below Detection limit | Ratio ASD/TD | P-value | AUROC | False Discovery Rate |
---|---|---|---|---|---|---|---|---|---|---|---|
Boron | Mann-Whitney | 1.52 | 1.34 | 8.81E-01 | 7.29E-01 | 0 | 0 | 1.14 | 0.44 | 0.56 | |
Calcium | Equal Variance t-test | 1.14E+02 | 91.5 | 72.9 | 59.6 | 0 | 0 | 1.24 | 0.22 | 0.58 | |
Chromium | Mann-Whitney | 2.95E-04 | 3.43E-04 | 1.06E-04 | 1.16E-04 | 96.6 | 100 | 8.63E-01 | 0.13 | 0.60 | |
Cobalt | Mann-Whitney | 8.77E-04 | 1.06E-03 | 3.45E-04 | 5.26E-04 | 69.0 | 82.1 | 8.31E-01 | 0.17 | 0.60 | |
Copper | Mann-Whitney | 1.05E-02 | 9.86E-03 | 3.47E-03 | 6.92E-03 | 0 | 0 | 1.06 | 7.5E-02 | 0.64 | |
Iron | Mann-Whitney | 2.22E-01 | 1.86E-01 | 1.30E-01 | 9.54E-02 | 31.0 | 25.0 | 1.20 | 0.31 | 0.58 | |
Lithium | Mann-Whitney | 6.23E-02 | 6.97E-02 | 4.40E-02 | 5.35E-02 | 0 | 0 | 8.93E-01 | 0.60 | 0.54 | |
Magnesium | Equal Variance t-test | 7.37E+01 | 6.63E+01 | 2.26E+01 | 2.66E+01 | 0 | 0 | 1.11 | 0.26 | 0.63 | |
Manganese | Mann-Whitney | 1.02E-03 | 8.48E-04 | 5.00E-04 | 4.62E-04 | 6.9 | 0 | 1.20 | 0.14 | 0.61 | |
Molybdenum | Mann-Whitney | 3.99E-02 | 5.01E-02 | 2.97E-02 | 2.58E-02 | 0 | 0 | 7.95E-01 | 6.5E-02 | 0.64 | |
Phosphorus | Equal Variance t-test | 592 | 658 | 218 | 200 | 0 | 0 | 9.00E-01 | 0.24 | 0.60 | |
Potassium | Mann-Whitney | 25.8 | 24.4 | 11.9 | 10.6 | 0 | 0 | 1.05 | 0.71 | 0.53 | |
Selenium | Equal Variance t-test | 4.81E-02 | 4.86E-02 | 1.26E-02 | 1.64E-02 | 0 | 0 | 9.90E-01 | 0.90 | 0.52 | |
Sodium | Mann-Whitney | 94.6 | 86.8 | 57.6 | 51.4 | 0 | 0 | 1.09 | 0.53 | 0.55 | |
Strontium | Equal Variance t-test | 1.44E-01 | 1.24E-01 | 8.01E-02 | 5.91E-02 | 0 | 0 | 1.16 | 0.28 | 0.55 | |
Sulfur | Mann-Whitney | 559 | 510 | 251 | 188 | 0 | 0 | 1.10 | 0.40 | 0.57 | |
Vanadium | Mann-Whitney | 2.32E-04 | 2.45E-04 | 1.03E-04 | 6.92E-05 | 79.3 | 78.6 | 9.44E-01 | 0.26 | 0.58 | |
Zinc | Mann-Whitney | 3.15E-01 | 3.01E-01 | 2.06E-01 | 1.60E-01 | 0 | 0 | 1.04 | 0.94 | 0.51 |
No FDR is computed as no element resulted in p < 0.05.