Table 2 IgE and IgG4 to house dust mite allergens in SPT positive infants

	IgG4 to P6+ (n = 5)			No IgG4 to P6− (n = 15)
	1 year	2 years	5 years	1 year	2 years	5 years
HDM IgE
Median (ng/ml)	0.1	0.65 (0.1–25.2)	65.4 (5.08–538)	0.1	0.1 (0.1–4.8)	2.73 (0.1–36.8)
Prevalence (%)	0	60	80	20	26.7	78.6

HDM IgG4
Median (ng/ml)	1	1 (1–115)	50.5 (25.4–2225)	1	1	1 (1–485)
Prevalence (%)	20	40	100*	0	6.7	46.7

HDM, house dust mite.
*p<0.05, prevalence between groups (IgG4 to P6+/IgG4 to P6−).
The interquartile range of IgE and IgG4 antibody binding are shown in parentheses.