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Table 2 univariate and multivariate analysis of predictors of CVA

From: Effect of congenital heart disease on the recurrence of cough variant asthma in children

Variables Univariate analysis Multivariate analysis
HR (95%CI) P value aHR (95%CI) P value
CHD     
CCHD 3.237 (1.655–6.331) 0.001 3.281 (1.648–6.530) 0.001
SCHD 2.293 (1.575–3.339) 0.000 2.555 (1.739–3.752) 0.000
No 1   1  
Age (year)    
 1–3 0.985 (0.652–1.488) 0.944  
 4–6 1.153 (0.739–1.797) 0.531  
 7–14 1   
Male 1.132 (0.800–1.602) 0.484  
Family history of allergies 0.731 (0.427–1.253) 0.254  
Elevated eosinophil ratio 1.066 (0.736–1.544) 0.734  
Mycoplasma pneumonia positive 2.557 (1.770–3.694) 0.000 2.172 (1.482–3.184) 0.000
sIgE sensitization 1.941 (1.324–2.845) 0.001 1.777 (1.188–2.657) 0.005
Standardized treatment 0.875 (0.216–3.539) 0.851  
  1. aHR indicates multiple analysis, including CHD classification, MP infection and IgE sensitization
  2. CHD congenital heart disease, CVA cough variant asthma, SCHD simple congenital heart disease, CCHD complex congenital heart disease, sIgE Serum-specific immunoglobulin E, HR hazard ratio, aHR adjusted hazard ratio, MP mycoplasma pneumoniae