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