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Table 3 Correlations of serum trace elements levels with BMI and serum leptin in the obese children

From: Serum trace elements in obese Egyptian children: a case–control study

 

Body mass index

Serum leptin

 

r

p

r

p

BMI (kg/m 2 )

-

-

0.539

<0.01

Serum leptin (ng/mL)

0.539

<0.01

-

-

Serum zinc (ug/dl)

−0.646

<0.01

−0.746

<0.01

Serum copper (ug/dl)

0.112

>0.05

−0.245

>0.05

Serum selenium (ug/l)

−0.108

>0.05

−0.078

>0.05

Serum iron (ug/dl)

−0.479

<0.05

−0.245

>0.05

Serum chromium (ng/ml)

−0.063

>0.05

−0.078

>0.05

  1. BMI, body mass index. Values are Correlation coefficient r (Pearson’s Correlation analysis). P value < 0.05 indicates a significant difference.