highly significantP = 0.002
Highly significant positive correlations were observed for the AMD group when association of the variables Cu and LF ( r = 0.839, P = 0.002), Na and Ca ( r = 0.710, P = 0.006), and Mg and Ca ( r = 0.835, P = 0.0003) were evaluated ( Figs. 4 D–F).