Lima | Tumbes | Overall | |
Blood, mean (SD) | n=568 | n=578 | n=1146 |
Mass (μg) | 13.6 (6.7) | 36.3 (29.3) | 25.6 (24.6) |
260/280 | 1.86 (0.04) | 1.87 (0.14) | 1.86 (0.11) |
Saliva, mean (SD) | n=65 | n=83 | n=148 |
Mass (μg) | 36.2 (32.9) | 23.1 (17.1) | 28.0 (24.9) |
260/280 | 1.88 (0.08) | 1.89 (0.07) | 1.89 (0.08) |