Trace element

Signs, r

p value

Fe

−0.6524

0.0075**

Cu

0.2177

0.4103

Zn

−0.5217

0.0397*

Ti

0.0843

0.7546

V

−0.2507

0.3433

Cr

−0.2492

0.3491

Mn

0.0959

0.7214

Co

−0.3916

0.135

Ni

−0.7542

0.0011**