Data structure | Type of test | 95% CI | |
---|---|---|---|

a | Quantitative scale, non-normally distributed | Wilcoxon rank sum test | 1876–14226 ng/L |

b | Quantitative scale, non-normally distributed | Wilcoxon rank sum test | 191–1015 ng/L |

c | Quantitative scale, non-normally distributed | Wilcoxon rank sum test | 40–563 ng/L |

d | Quantitative scale, non-normally distributed | Wilcoxon rank sum test | 250–710 ng/L |

e | Quantitative scale, non-normally distributed | Wilcoxon rank sum test | −110–381 ng/L |