Table 1.
Urinary arsenic species and methylation indices of the study population (n = 302).
| Variables a | Study Population | Study Population | |
|---|---|---|---|
| Without Skin Lesions (n = 223) | With Skin Lesions (n = 79) | ||
| Arsenic species (μg/g Cr) | |||
| iAs | 108.3 ± 138.9 | 95.9 ± 83.7 | 143.4 ± 229.9 |
| MMA | 84.4 ± 65.1 | 77.9 ± 65.9 | 103.0 ± 59.5 |
| DMA | 320.8 ± 232.8 | 314.2 ± 243.0 | 339.6 ± 201.4 |
| tAs | 513.6 ± 362.2 | 487.9 ± 341.2 | 586.0 ± 409.7 |
| Arsenic methylation indices | |||
| iAs% | 23.7 ± 15.5 | 23.9 ± 16.6 | 22.9 ± 11.8 |
| MMA% | 15.5 ± 6.7 | 14.5 ± 6.2 | 18.2 ± 7.2 |
| DMA% | 60.9 ± 13.7 | 61.6 ± 13.9 | 58.9 ± 13.1 |
| PMI | 0.76 ± 0.15 | 0.76 ± 0.17 | 0.77 ± 0.12 |
| SMI | 0.80 ± 0.09 | 0.81 ± 0.07 | 0.76 ± 0.11 |
a Values are mean ± SD.