Serum and Salivary IgE, IgA, and IgG₄ Antibodies to Dermatophagoides pteronyssinus and Its Major Allergens, Der p1 and Der p2, in Allergic and Nonallergic Children

Table 3

Correlation between serum IgG4, IgA, and IgE levels to Dermatophagoides pteronyssinus (Dpt) crude extract and its major allergens (Der p1 e Der p2) in allergic and nonallergic children.

Correlation	Groups
	Allergic	Nonallergic
IgG4 versus IgE for Dpt	0.2351*	0.3484
IgG4 versus IgE for Der p1	0.1921	0.2310
IgG4 versus IgE for Der p2	0.3585**	0.4956
IgA versus IgE for Dpt	0.3533**	−0.3815
IgA versus IgE for Der p1	0.3614**	0.0285
IgA versus IgE for Der p2	0.2327*	−0.0418
IgA versus IgG4 for Dpt	0.3122**	−0.5824*
IgA versus IgG4 for Der p1	0.1172	−0.6799**
IgA versus IgG4 for Der p2	0.1858	0.0813

Data are expressed as coefficient of correlation of Spearman (𝑟) with statistical significance (*𝑃<0.05; **𝑃<0.001).