Table 1.
Demographic, CC16, and As-related variables for the study participants, by skin lesion status.
| Overall (n = 241) | Subjects with skin lesions (n = 128) | Subjects without skin lesions (n = 113) | p-Valuea | |
|---|---|---|---|---|
| Male (%) | 32.3 | 50.0 | 12.0 | < 0.01 |
| CC16 (μg/L) | 6.39 ± 3.1 | 6.42 ± 3.3 | 6.36 ± 2.9 | 0.87 |
| Age (years) | 37 ± 9.5 | 39.7 ± 9.8 | 33.8 ± 8.1 | < 0.01 |
| BMI | 19.9 ± 3.0 | 19.4 ± 2.6 | 20.4 ± 3.3 | 0.01 |
| Water As (μg/L) | 134 ± 153.8 | 159 ± 181.1 | 105 ± 109.2 | < 0.01 |
| Urinary As (μg/L) | 189 ± 250.2 | 213 ± 251.3 | 162 ± 182.3 | 0.10 |
| Creatine (μg/L) | 57 ± 45.8 | 51 ± 41.5 | 64 ± 49.6 | 0.03 |
| Urinary creatinine-adjusted As (μg/g creatinine) | 368 ± 367.6 | 461 ± 451.4 | 264 ± 194.5 | < 0.01 |
| Cumulative As (mg) | 1,499 ± 2,436 | 1,815 ± 2,763 | 1,134 ± 1,941 | 0.02 |
| MMA/InAs | 0.932 ± 0.5 | 1.01 ± 0.48 | 0.84 ± 0.52 | 0.01 |
| DMA/MMA | 6.6 ± 3.0 | 5.6 ± 2.6 | 7.8 ± 4.6 | < 0.01 |
Values shown are mean ± SD except where indicated.
a
p-Value from t-test or chi-squared tests.