Abstract
To evaluate the correlation between two serum specific IgE and skin prick test (SPT) for the diagnosis of allergic rhinitis. Two hundred and sixteen patients were referred to the allergist for a suspected allergic rhinitis between June and October in 2009. Patients were classified as positive for inhalant allergy if they had a positive clinical history and a related positive SPT for the suspected inhalant allergen. Statistical analysis was performed using SPSS13.0 software. One hundred and fifty-eight patients had a positive SPT, comparing with the SPT, the diagnostic indexes (accuracy, sensitivity, specificity) of the ImmunoCAP system and the AllergyScreen system were 0.810 and 0.819, 0.872 and 0.780, 0.741 and 0.862 respectively. The accuracy was similar between the two systems (χ(2) = 0.112, P > 0.05). The ImmunoCAP system had a higher sensitivity (χ(2) = 7.361, P < 0.05). The AllergyScreen system had a higher specificity (χ(2) = 10.222, P < 0.05). This data supported the use of ImmunoCAP system and AllergyScreen system to identify potentially significant individual allergens in the diagnosis of allergic rhinitis. The ImmunoCAP system had a higher sensitivity. The AllergyScreen system had a higher specificity. The AllergyScreen system can be used as a complementary with the ImmunoCAP system.
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