PMC full text:
Published online 2016 May 9. doi: 10.1038/srep25656
Table 1
Descriptive statistics for drinking water and urinary arsenic concentrations.
| n | Drinking water total As (μg/L) | Urinary total As (μg/L) | Urinary U-AsIMM (μg/L) | Urinary AB (μg/L) | Urinary AsIII (μg/L) | Urinary AsV (μg/L) | Urinary MA (μg/L) | Urinary DMA (μg/L) |
|---|---|---|---|---|---|---|---|---|
| 127 | 207 | 207 | 207 | 207 | 207 | 207 | 207 | |
| Unadjusted | ||||||||
| Arithmetic mean | 7.0 | 37 | 9.0 | 26 | 0.7 | 0.5 | 1.3 | 6.5 |
| Geometric mean | 1.0 | 16 | 5.8 | 6.2 | 0.6 | 0.8 | 0.7 | 4.3 |
| Median | 0.9 | 15 | 5.3 | 6.9 | 0.3 | 0.3 | 0.7 | 4.0 |
| Min | <LOD | 1.6 | 0.9 | <LOD | <LOD | <LOD | <LOD | 0.8 |
| Max | 233 | 426 | 124 | 363 | 13 | 12 | 25 | 79 |
| Osmolality Adjusted | ||||||||
| Arithmetic mean | 36 | 8.6 | 26 | 0.6 | 0.5 | 1.2 | 6.3 | |
| Geometric mean | 17 | 6.3 | 6.5 | 0.6 | 0.8 | 0.7 | 4.7 | |
| Median | 15 | 5.7 | 7.3 | 0.4 | 0.3 | 0.8 | 4.4 | |
| Min | 2.2 | 1.7 | <LOD | <LOD | <LOD | <LOD | 1.4 | |
| Max | 404 | 131 | 360 | 14 | 9.1 | 27 | 84 | |
Drinking water As results are shown on the basis of collected samples/sampled supplies (n = 127). Between 1 and 4 volunteers were associated with any one drinking water sample. Urinary As results are shown both with and without osmolality adjustment.