Abstract
BACKGROUND: Our knowledge about longitudinal predictors of atopy is limited.
OBJECTIVES: To describe changes in skin test reactivity during a 3-year period in a sample of adolescents and adults with atopic disease and to identify factors of importance for these changes.
METHODS: From a sample of 1,186 candidates, ranging in age from 14 to 44 years, who in a screening questionnaire reported symptoms suggestive of respiratory allergic disease, 344 individuals with a positive skin prick test (SPT) result concomitantly with asthma and/or rhinitis were clinically studied on 2 occasions, 3 years apart.
RESULTS: In total, 134 (39% of the study population) had a different SPT result at follow-up compared with baseline, based on a diagnostic criterion of 3 mm for a positive test result; 77 (22%) developed de novo sensitizations to 1 or more allergens, 45 (13%) had remission of 1 or more sensitizations, and 12 (4%) both gained and lost sensitizations. Female sex (odds ratio = 1.90 [1.02-3.57], P = .04) significantly predicted incidence of 1 or more sensitizations.
CONCLUSIONS: Four of 10 adults with atopic disease will have changes in SPT status during a 3-year period, and most will gain new sensitizations. Women with atopic disease are at increased risk of developing new sensitizations compared with men.
| Original language | English |
|---|---|
| Journal | Annals of Allergy, Asthma, & Immunology |
| Volume | 101 |
| Issue number | 5 |
| Pages (from-to) | 524-8 |
| Number of pages | 5 |
| ISSN | 1081-1206 |
| DOIs | |
| Publication status | Published - Nov 2008 |
| Externally published | Yes |
Keywords
- Adolescent
- Adult
- Asthma/diagnosis
- Female
- Forced Expiratory Volume
- Humans
- Logistic Models
- Male
- Prospective Studies
- Rhinitis, Allergic, Perennial/diagnosis
- Skin Tests/methods
- Urban Population
- Young Adult
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