Table 2.
Elements | Ushuaia (n = 198) | Salta (n = 498) | p Value * | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
% > LOD | GM (95% CI) | Min–Max | Selected Percentiles | % > LOD | GM (95% CI) | Min–Max | Selected Percentiles | ||||||
25th | 50th | 75th | 25th | 50th | 75th | ||||||||
Cu | 100 | 1688 (1646–1730) | 961–2539 | 1515 | 1718 | 1885 | 100 | 1782 (1759–1804) | 1057–3559 | 1616 | 1766 | 1959 | 0.001 |
Mn | 100 | 17.83 (16.97–18.73) | 4.75–39.53 | 13.74 | 18.11 | 23.06 | 100 | 22.98 (22.44–23.54) | 8.65–52.96 | 19.28 | 22.60 | 27.61 | <0.001 |
Se | 100 | 80.06 (78.26–81.91) | 51.28–125.06 | 71.19 | 80.56 | 89.00 | 100 | 129.25 (127.23–131.30) | 75.36–240.57 | 114.27 | 128.83 | 145.35 | <0.001 |
Zn | 100 | 7633 (7468–7801) | 4973–10,199 | 6767 | 7815 | 8665 | 100 | 6682 (6597–6768) | 4171–9549 | 6049 | 6720 | 7343 | <0.001 |
As | 100 | 0.63 (0.59–0.67) | 0.22–3.78 | 0.47 | 0.58 | 0.83 | 100 | 0.55 (0.53–0.57) | 0.28–3.78 | 0.44 | 0.53 | 0.64 | <0.001 |
Cd (Smoker) | 98 | 0.22 (0.19–0.26) a | 0.04–0.90 | 0.17 | 0.20 | 0.33 | 99 | 0.21 (0.19–0.23) b | 0.04–1.05 | 0.15 | 0.21 | 0.28 | 0.501 |
Cd (Non-smoker) | 95 | 0.17 (0.15–0.19) c | 0.04–0.51 | 0.12 | 0.18 | 0.26 | 99 | 0.18 (0.17–0.19) d | 0.04–0.76 | 0.13 | 0.18 | 0.25 | 0.394 |
Hg | 75 | 0.35 (0.32–0.38) | 0.1–2.7 | 0.1 | 0.3 | 0.6 | 97 | 0.62 (0.58–0.65) | 0.1–19.6 | 0.4 | 0.6 | 0.9 | <0.001 |
Pb | 100 | 10.1 (9.5–10.7) | 2.9–39.1 | 7.6 | 9.8 | 13.0 | 100 | 15.8 (15.2 −16.5) | 3.9–152.3 | 11.8 | 15.0 | 20.9 | <0.001 |
* Mann–Whitney U test. a,b,c,d The number of participants in each group is 57, 127, 141, and 371, respectively. Abbreviations: As, arsenic; Cd, cadmium; CI, confidence interval; Cu, copper; GM, geometric mean; Hg, mercury; LOD, limit of detection; Mn, manganese; Pb, lead; Se, selenium; and Zn, zinc.