From: Dental amalgam and urinary mercury concentrations: a descriptive study

Characteristic | Number of amalgam surfaces | Number of amalgam surfaces | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

All | 0 Surfaces | 1-5 Surfaces | 6-10 Surfaces | 11-15 Surfaces | 16-20 Surfaces | 21-25 Surfaces | 26-30 Surfaces | 31-45 Surfaces | 46-65 Surfaces | |||||||||||

Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | |

All
| 0.26 | 0.23-0.30 | 0.12 | 0.10-0.16 | 0.22 | 0.17-0.28 | 0.36 | 0.30-0.44 | 0.52 | 0.38-0.71 | 0.79 | 0.63-0.99 | 1.09 | 0.80-1.49 | 1.91 | 1.49-2.46 | 2.12 | E 1.21-3.71 | 2.45 | E 1.31-4.59 |

Female
| 0.33 | 0.29-0.37 | 0.15 | 0.12-0.20 | 0.25 | 0.20-0.32 | 0.44 | 0.35-0.55 | 0.68 | 0.49-0.97 | 0.99 | 0.78-1.27 | 1.24 | E 0.77-1.99 | 2.21 | E 1.49-3.27 | 2.78 | E 1.75-4.43 | F | F |

Male
| 0.21 | 0.18-0.25 | 0.10 | 0.08-0.13 | 0.19 | 0.14-0.26 | 0.31 | 0.24-0.39 | 0.41 | 0.28-0.58 | 0.63 | E 0.41-0.97 | 0.93 | 0.68-1.27 | 1.54 | 1.11-2.13 | 1.43 | E 0.75-2.73 | F | F |