Table 3 Risk predictors for at least one asthma attack defined by the American Thoracic Society criteria

From: Applying UK real-world primary care data to predict asthma attacks in 3776 well-characterised children: a retrospective cohort study

Reference category

Comparison

Odds ratio (95% CI)

p Value

Overall p value

Blood eosinophil count

    

≤400/µL

>400/µL

1.46 (1.20, 1.78)

<0.001

<0.001

GINA management step

    

0

1/2

1.17 (0.85, 1.62)

0.331

<0.001

3

1.80 (1.23, 2.64)

0.003

4/5

2.77 (1.77, 4.33)

<0.001

GP consults for LRTIs

    

0

1+

1.50 (1.15, 1.96)

0.003

0.003

Asthma attack

    

0

1

3.74 (2.92, 4.80)

<0.001

<0.001

2+

7.72 (5.55, 10.74)

<0.001

Age

    

Per year of age

0.93 (0.89, 0.97)

0.001

 
  1. The results are from a multivariable analysis. The following variables were significantly associated with asthma attack in the univariate analyses but were not significant in the multivariate model: hayfever diagnosis ever, eczema diagnosis ever, overall asthma control, daily short-acting β-agonist dosage and average inhaled corticosteroid daily dose.
  2. GINA Global INitiative for Asthma, LRTI lower respiratory tract infection
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