Retrospective Cross-sectional Analysis of Factors Associated with Asthma in a Pediatric Cohort from Turkey
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Published on: November 5, 2010
Ezgi Ulusoy Severcan1, Cem Murat Bal2, Remziye Tanac1
1Department of Pediatric Immunology and Allergy, Ege University Faculty of Medicine, Izmir, Turkey.
Insights
Identifying childhood asthma risk factors is crucial. This study found family history of atopy and allergic conditions, along with respiratory symptoms, are key predictors in Turkish children, aiding early diagnosis.
Area of Science:
- Pediatric Pulmonology
- Allergy and Immunology
- Epidemiology
Background:
- Identifying children at high risk for developing asthma among those with recurrent wheezing presents a clinical challenge.
- This study focuses on determining factors associated with asthma development in a Turkish pediatric population.
Purpose of the Study:
- To investigate the specific factors linked to asthma in Turkish children experiencing recurrent wheezing.
- To evaluate the utility of risk assessment scores in predicting childhood asthma.
Main Methods:
- A retrospective cross-sectional analysis was conducted on 651 children (200 girls, 451 boys) admitted for recurrent wheezing.
- Data collected included family history, environmental factors, and clinical symptoms.
Main Results:
- Asthma was diagnosed in 57.7% of the children.
- Factors associated with asthma included family history of atopy, parental or sibling asthma, allergic rhinitis, atopic dermatitis, and inter-wheezing respiratory symptoms.
- The modified asthma predictive index (mAPI) showed a sensitivity of 59.2% and specificity of 91.3%, while the modified Prevention and Incidence of Asthma and Mite Allergy (PIAMA) score had a sensitivity of 22.9% and specificity of 89.2%.
Conclusions:
- Previously identified asthma risk factors were confirmed in this cohort.
- Despite limitations in sensitivity, the mAPI and PIAMA scores can assist in predicting asthma in Turkish children.
- Careful exclusion of other chronic pediatric conditions, such as immunodeficiencies, is essential for accurate asthma diagnosis.
Background:
It is difficult to identify young children at increased risk of developing asthma amongst those with recurrent wheezing. In this study, we aimed to determine factors associated with asthma in Turkish children.
Methods:
We performed a retrospective cross-sectional analysis on factors associated with asthma in 651 children (200 girls, 451 boys) admitted for recurrent wheezing.
Results:
Amongst all included children, asthma frequency was 57.7%. Maturity, consanguinity, family income, passive smoking, father's, siblings' asthma were not found to be associated with asthma. Factors associated with asthma were: family's, parents', siblings' atopy, family's, mother's asthma, allergic rhinitis and atopic dermatitis, respiratory symptoms between wheezing attacks. The sensitivity (SN) of the modified asthma predictive index (mAPI) was 59.2% with a specificity (SP) of 91.3%, positive predictive index (PPI) of 65.1% and negative predictive index (NPI) of 82.3%. The SN of the modified Prevention and Incidence of Asthma and Mite Allergy (PIAMA) score was 22.9% with a SP of 89.2%, PPI of 84.6%, and NPI of 42.2%. Adjusted odds ratio for mAPI was 12.9, and for the modified PIAMA score 4.
Conclusion:
Our analysis confirmed previously described factors associated with asthma. Although the SN is limited, the mAPI and PIAMA risk scores can be used to predict asthma in Turkish children. Differential diagnoses and overlaps with other chronic pediatric diseases such as immunodeficiencies need to be carefully excluded when confirming the diagnosis asthma.
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