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Table 6 Significant correlations among trace elements in hair and serum

From: Copper, zinc and iron levels in infants and their mothers during the first year of life: a prospective study

Variants

M serum Zn (month 2)

M hair Zn (month 6)

M serum Cu (month 2)

M serum Cu (month 6)

M serum Cu (month 12)

M hair Cu (month 2)

M hair Cu (month 6)

M hair Cu (month 12)

I serum Fe (month 6)

I serum Fe (month 12)

I hair Zn (month 12)

M hair Zn at 2 months

*-0.48

*0.55

   

*-0.36

     
 

**0.01

**0.001

   

**0.05

     

M hair Zn at 6 months

      

*-0.42

    
       

**0.01

    

M serum Fe at 2 months

  

*-0,40

        
   

**0.05

        

M serum Fe at 6 months

        

*0.38

  
         

**0.03

  

M serum Fe at 12 months

         

*0.44

 
          

**0.04

 

M serum Cu at 2 months

   

*0.62

*0.41

      
    

**0.001

**0.01

      

M serum Cu at 6 months

    

*0.49

      
     

**0.01

      

M hair Cu at 2 months

      

*0.78

*0.47

   
       

**0.01

**0.00

   

M hair Cu at 6 months

       

*0.41

   
        

**0.01

   

I serum Zn at 6 months

        

*-0.42

  
         

**0.01

  

I hair Zn at 6 months

          

*0.51

           

**0.00

  1. Pearson’s correlation analysis was used for serum
  2. Spearman’s correlation analysis was used for hair
  3. M mothers, I infants; *r value; **p < value
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BMC Pediatrics

ISSN: 1471-2431

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