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Abstract
Optimization of skin prick test (SPT) panels, especially in view of significant differences in sensitizations patterns within different geographical areas, is an unmet need within China. Our aim was to assess the patterns and clinical relevance of aeroallergen sensitizations in allergic rhinitis (AR) and define the minimal battery of SPT allergens, classified according to the Köppen-Geiger climate map. Overall, 7148 subjects with self-reported AR completed a standard questionnaire and were assessed for sensitization to relevant allergens by SPT. 6340 (88.7%) patients had at least one positive skin prick reaction, and demonstrated unique sensitization patterns by stratification with age, gender, and geographic region. Sensitization to house dust mites (HDM) was highest in south China, whereas the three most prevalent aeroallergens were mugwort, ragweed and dandelion pollen in north-west China. Higher sensitization rates and multiple sensitizations were associated with AR comorbidities. Eight allergens (Der f, mugwort, Blatella, hazel, goosefoot, Penicillium notatum, animal dander and Der p) allowed identification >96% of sensitized subjects in central China. Differences in optimal panels were observed between regions, with five to six allergens being sufficient for north-east, north-west and south China. These SPT panels may provide a cost-effective tool for screening sensitized patients in China.
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1 Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
2 Beijing Key Laboratory of nasal diseases, Beijing Institute of Otolaryngology, Beijing, China
3 Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
4 Department of Respiratory Diseases, University Hospital, Hôpital Arnaud de Villeneuve, Montpellier, France
5 Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China; Beijing Key Laboratory of nasal diseases, Beijing Institute of Otolaryngology, Beijing, China; Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
6 Upper Airways Research Laboratory, Department of Oto-Rhino-Laryngology, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium