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Table 5 The results of bivariate correlations between number of wheeze attacks and serum levels of vitamin D, Zn, Cu and Cu/Zn ratio in wheezy group

From: Serum level of vitamin D and trace elements in children with recurrent wheezing: a cross-sectional study

 

Number of Wheezing Episodes r*

p-value

CBSS r*

p-value

LOS r*

p-value

RTIs r*

p-value

Number of Emergency Department Visits r*

p-value

Hospitalization r*

p-value

Vitamin D

-0.394

0.010

-0.365

0.002

-0.436

<0.001

-0.286

0.014

-0.307

0.008

-0.406

<0.001

Zn

-0.408

<0.001

-0.511

<0.001

-0.520

<0.001

-0.439

<0.001

-0.394

0.001

-0.484

<0.001

Cu

0.428

<0.001

0.297

0.011

0.338

0.003

0.274

0.019

0.345

0.003

0.411

<0.001

Cu/Zn

0.507

<0.001

0.499

<0.001

0.538

<0.001

0.455

<0.001

0.455

<0.001

0.556

<0.001

  1. CBSS Bronchiolitis clinical score, LOS Length of hospital stay, RTIs Respiratory tract Infections.
  2. *Spearman’s rank correlation test.