Journal List > Pediatr Allergy Respir Dis > v.22(1) > 1033209

Kim, Choi, Moon, Lee, Kim, Kook, Kim, Kim, Park, Lee, Hong, Seo, Kim, Kim, Ahn, Park, Cho, Lee, Kim, and Oh: The Level of Serum Immunoglobulin E Measured at General Hospitals in Six Regions of Korea in Children with Allergic Diseases

Abstract

Purpose

We investigated the change in serum total immunoglobulin E (IgE) and allergen-specific IgE according to allergic diseases and age.

Methods

Allergic markers of children under 18 years of age with allergic diseases for the last 5 years were collected from 12 hospitals nationwide. The total data was 9,710. Data about levels of serum total IgE and allergen-specific IgE to 15 common allergens were collected.

Results

In children with asthma, serum total IgE was higher in older age than in younger age until age 7 to 12 years, at which time the level was highest (paper radioimmunosorbent test, 526.7 IU/mL; UniCAP, 339.9 IU/mL). The level was lower in older age than that during younger age. This change was similar to that in children with allergic rhinitis and atopic dermatitis. The level was highest at ages 7 to 12 years in children with allergic rhinitis, and at age 10 to 12 years in children with atopic dermatitis. In children with both asthma and allergic rhinitis, as well as in children with all three diseases, the change in serum total IgE was similar to that of children with an isolated disease. The highest level in children with all three diseases was higher than that in children with an isolated disease. The analysis of allergen-specific IgE positivity showed that food allergens were dominant before the age of 2 years, and that aeroallergens such as house dust mites were dominant.

Conclusion

Serum total IgE in Korean children with allergic diseases was higher in older age than in younger age until the ages of 7 to 12 years, and then the change in total IgE by age was the opposite.

Figures and Tables

Fig. 1
The levels of serum total immunoglobulin G (IgE) according to age in children with asthma (A), allergic rhinitis (B) and atopic dermatitis (C) (■, paper radioimmunosorbent test; ●, UniCAP).
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Fig. 2
Sensitization rate of 15 inhalant and food allergens according to age in children with asthma (A), allergic rhinitis (B) and atopic dermatitis (C). Dp, Dermatophagoides pteronyssinus; Df, Dermatophagoides farinae.
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Fig. 3
The levels of serum total immunoglobulin (IgE) according to the age in patients with both asthma and allergic rhinitis (A) and patients with asthma, allergic rhinitis and atopic dermatitis (B) (■, paper radioimmunosorbent test; ●, UniCAP).
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Table 1
Regions of Data Collection and Counts
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Table 2
Multiple Comparison Analysis of Serum Total IgE between Disease Groups according to Age
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Multiple comparison analysis was performed by Tukey's test.

IgE, immunoglobulin E; PRIST, paper radioimmunosorbent test; AS, asthma; AR, allergic rhinitis; AD, atopic dermatitis.

* and had significant difference compared with other disease groups with the same age and method.

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Woo-Kyung Kim
https://orcid.org/http://orcid.org/0000-0001-8730-010X

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