Allergen and risk factors of allergic rhinitis patients in Hainan area

Objective To analyze the distribution of allergens in patients with allergic rhinitis and related risk factors in Hainan area. Methods Ig E and allergen specific Ig E antibody in 196 patients with allergic rhinitis and 68 cases of controls admitted to Hainan branch of Chinese PLA General Hospital from October 2013 to October 2014 were collected and tested by Western Blot. Questionnaire survey was conducted in 196 cases and 204 controls, then multi-factor logistic regression analysis was used to investigate 12 possible related factors of allergic rhinitis. Results The total Ig E of 196 allergic rhinitis patients were all positive, in which, the allergen specific Ig E antibody of dust mites showed the highest positive rate(59.69%), and fish was the main allergens(positive rate 17.35%), while in 68 cases of controls, only 2 cases showed positive allergens(fish). Family history, history of allergies and asthma were main risk factors for allergic rhinitis. Keeping windows open and rooms clean were protective factors for allergic rhinitis. Conclusion In Hainan area, the main allergens of allergic rhinitis is house dust mites with risk factors including family history, history of allergies, etc. Patients show a trend of younger age, while it has nothing to do with the season.