Table 4 Vitamin D, Zn, Cu levels and Cu/Zn ratio according to severity of wheezing

Vitamin D

27.17 ± 9.9

35.43 ± 14.69

0.026

31.23 ± 13.81

41.073 ± 12.38

0.015

24.84 ± 10.73

35.28 ± 10.04

0.011

Zn

0.63 ± 0.10

0.72 ± 0.12

0.007

0.68 ± 0.12

0.79 ± 0.11

0.002

0.63 ± 0.11

0.73 ± 0.12

0.019

Cu

1.46 ± 0.33

1.25 ± 0.24

0.003

1.33 ± 0.28

1.17 ± 0.21

0.035

1.51 ± 0.34

1.25 ± 0.24

0.001

Cu/Zn

2.28 ± 0.59

1.75 ± 0.42

<0.001

1.99 ± 0.52

1.49 ± 0.25

0.001

2.35 ± 0.56

1.78 ± 0.45

<0.001