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Immunoglobulin E (IgE) level in children with atopy classified by distribution of the histamine N-methyltransferase (HNMT) 939A>G polymorphism in (A) children with atopy and (B) children with eczema. After Bonferroni's correction for multiple comparisons, P<0.0166 (0.05/3) was considered to be statistically significant. Logistic regression analysis was applied to control for age and gender as covariables.
