Table 2.
Distributions of urinary metal concentrations (ng/ml), by study visit, among 116 women in PROTECT.
| Metal | Visit | N | %> LOD | Min | P25 | Med | P75 | P90 | Max | GM | SD | IQR | ICC (95% CI) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| As | 1 | 84 | 97.6% | 0.31 | 4.132 | 8.986 | 14.511 | 27.111 | 372.321 | 8.274 | 42.215 | 10.378 | 0.29 (−0.01, 0.50) |
| 3 | 41 | 97.6% | 1.08 | 3.198 | 6.514 | 9.594 | 15.771 | 32.858 | 5.901 | 7.164 | 6.396 | ||
| Ba | 1 | 83 | 100.0% | 0.213 | 1.361 | 2.552 | 6.228 | 10.073 | 20.92 | 2.791 | 4.277 | 4.868 | 0.33 (0.03, 0.54) |
| 3 | 41 | 97.6% | 0.125 | 1.406 | 2.732 | 4.855 | 7.508 | 21.879 | 2.227 | 4.533 | 3.449 | ||
| Cd | 1 | 75 | 62.7% | 0.009 | 0.075 | 0.174 | 0.336 | 0.492 | 1.78 | 0.152 | 0.272 | 0.261 | −0.09 (−0.52, 0.24) |
| 3 | 40 | 57.5% | 0.007 | 0.077 | 0.164 | 0.298 | 0.786 | 3.459 | 0.148 | 0.584 | 0.221 | ||
| Co | 1 | 84 | 97.6% | 0.059 | 0.518 | 0.826 | 1.245 | 1.660 | 3.175 | 0.786 | 0.641 | 0.728 | 0.35 (0.06, 0.55) |
| 3 | 41 | 100.0% | 0.176 | 0.733 | 1.244 | 1.866 | 2.892 | 3.613 | 1.146 | 0.894 | 1.133 | ||
| Cs | 1 | 84 | 100.0% | 0.996 | 4.174 | 5.797 | 7.667 | 9.219 | 13.47 | 5.384 | 2.581 | 3.493 | 0.40 (0.13, 0.59) |
| 3 | 41 | 100.0% | 1.95 | 3.402 | 4.559 | 5.569 | 7.751 | 9.672 | 4.428 | 2.005 | 2.167 | ||
| Cu | 1 | 84 | 92.9% | 1.641 | 9.211 | 12.931 | 16.035 | 20.014 | 42.529 | 11.921 | 6.738 | 6.824 | 0.39 (0.12, 0.58) |
| 3 | 41 | 95.1% | 3.376 | 7.951 | 10.878 | 16.339 | 20.066 | 56.795 | 10.822 | 8.968 | 8.388 | ||
| Hg | 1 | 84 | 96.4% | 0.005 | 0.344 | 0.616 | 1.110 | 2.031 | 5.179 | 0.588 | 0.868 | 0.766 | 0.42 (0.14, 0.61) |
| 3 | 37 | 94.6% | 0.063 | 0.325 | 0.631 | 1.18 | 1.341 | 3.469 | 0.571 | 0.761 | 0.855 | ||
| Mn | 1 | 79 | 91.1% | 0.01 | 0.46 | 0.765 | 1.086 | 1.244 | 1.776 | 0.578 | 0.401 | 0.626 | 0.55 (0.26, 0.71) |
| 3 | 29 | 69.0% | 0.002 | 0.067 | 0.239 | 0.432 | 0.734 | 1.375 | 0.160 | 0.326 | 0.365 | ||
| Mo | 1 | 112 | 100.0% | 6.364 | 39.236 | 55.734 | 78.848 | 127.643 | 434.622 | 55.257 | 51.528 | 39.611 | 0.33 (0.12, 0.50) |
| 3 | 41 | 100.0% | 9.066 | 31.322 | 43.747 | 77.324 | 108.115 | 178.961 | 46.717 | 38.957 | 46.002 | ||
| Ni | 1 | 82 | 90.2% | 0.465 | 3.341 | 5.503 | 7.511 | 8.925 | 15.005 | 4.667 | 2.873 | 4.170 | 0.04 (−0.33, 0.32) |
| 3 | 41 | 87.8% | 0.244 | 2.559 | 5.366 | 8.141 | 10.774 | 13.157 | 4.485 | 3.615 | 5.582 | ||
| Se | 1 | 41 | 100.0% | 9.269 | 33.31 | 45.147 | 64.83 | 82.941 | 187.733 | 46.744 | 39.413 | 31.52 | 0.20 (−0.02, 0.42) |
| 3 | 40 | 100.0% | 6.334 | 24.980 | 41.742 | 56.724 | 82.266 | 121.756 | 36.421 | 27.113 | 31.744 | ||
| Sn | 1 | 108 | 93.5% | 0.042 | 0.426 | 0.85 | 1.824 | 4.684 | 51.128 | 0.944 | 5.734 | 1.399 | 0.68 (0.56, 0.78) |
| 3 | 41 | 97.6% | 0.18 | 0.359 | 1.007 | 1.708 | 3.62 | 13.259 | 0.921 | 2.300 | 1.349 | ||
| Tl | 1 | 63 | 77.8% | 0.005 | 0.046 | 0.08 | 0.140 | 0.244 | 1.08 | 0.076 | 0.158 | 0.094 | 0.53 (0.28, 0.70) |
| 3 | 41 | 65.9% | 0.003 | 0.028 | 0.043 | 0.086 | 0.131 | 0.475 | 0.046 | 0.075 | 0.058 | ||
| Zn | 1 | 84 | 100.0% | 30.62 | 195.418 | 347.069 | 527.954 | 723.235 | 1560.106 | 309.641 | 275.047 | 332.536 | 0.30 (−0.00, 0.51) |
| 3 | 41 | 100.0% | 8.37 | 113.772 | 232.363 | 363.865 | 668.129 | 1180.877 | 193.967 | 263.386 | 250.093 |
GM, geometric mean; SD,: standard deviation; IQR, interquartile range; ICC, intraclass correlation coefficient; CI, confidence interval.