Table 5 Spearman-correlation between eGFR and metal concentrations in different age groups.
From: Association of whole blood heavy metal concentrations with kidney function
Arsenic | Lead | Mercury | |||||||
|---|---|---|---|---|---|---|---|---|---|
Age | r | p | N | r | P | N | r | p | N |
≤ 20 | -0.027 | 0.540 | 535 | 0.132** | < 0.001 | 1103 | -0.113** | < 0.001 | 1102 |
20–30 | -0.223** | < 0.001 | 625 | -0.051 | 0.081 | 1179 | -0.193** | < 0.001 | 1255 |
30–40 | -0.031 | 0.320 | 1035 | -0.088** | < 0.001 | 2157 | -0.092** | < 0.001 | 2454 |
40–50 | -0.092** | < 0.001 | 2050 | -0.084** | < 0.001 | 4070 | -0.102** | < 0.001 | 4318 |
50–60 | -0.025 | 0.164 | 3222 | -0.060** | < 0.001 | 6049 | 0.188** | < 0.001 | 6240 |
60–70 | -0.026 | 0.227 | 2146 | -0.046** | 0.004 | 4036 | -0.019 | 0.233 | 4159 |
> 70 | -0.052** | 0.037 | 1595 | -0.068** | < 0.001 | 3131 | -0.018 | 0.322 | 3134 |