Table 6.
Spearman’s rank correlation coefficients between urine metals in the cadmium‐polluted area
| UMg (mg/gCr) | Uca (mg/g Cr) | UFe (mg/g Cr) | UZn (mg/g Cr) | UAs (mg/g Cr) | UCd (mg/g Cr) | UCu (mg/g Cr) | UPb (mg/g Cr) | |
|---|---|---|---|---|---|---|---|---|
| UMg (mg/g Cr) | 1.000 | 0.643** | 0.508** | 0.341** | 0.397** | ** | 0.323** | 0.308** |
| Uca (mg/g Cr) | 1.000 | 0.682** | 0.237** | 0.275** | 0.198** | 0.287** | 0.352** | |
| UFe (mg/g Cr) | 1.000 | 0.214** | 0.242** | 0.011 | 0.312** | 0.217** | ||
| UZn (mg/g Cr) | 1.000 | 0.172** | 0.174** | 0.333** | 0.259** | |||
| UAs (μg/g Cr) | 1.000 | 0.297** | 0.424** | 0.257** | ||||
| UCd (μg/g Cr) | 1.000 | 0.301** | 0.187** | |||||
| UCu (μg/g Cr) | 1.000 | 0.349** | ||||||
| UPb (μg/g Cr) | 1.000 |
**P < 0.01; *P < 0.05. UAs, concentration of arsenic in the urine; UCa, concentration of calcium in the urine; UCd, concentration of cadmium in the urine; UCu, concentration of copper in the urine; UFe, concentration of iron in the urine; UMg, concentration of magnesium in the urine; UPb, concentration of lead in the urine; UZn, concentration of zinc in the urine.