High Prevalence of Neutrophil Cytoplasmic Autoantibodies in Infants with Food Protein-Induced Proctitis/Proctocolitis: Autoimmunity Involvement?

Table 4

Total immunoglobulin levels and specific IgE (Phadiatop and FX5).

(a)

Patient group	Method	Normal	Reduced	Increased
Total IgA	Nephelometry	7	13	4
Total IgG	Nephelometry	16	5	2
Total IgM	Nephelometry	14	6	3
Total IgE	Nephelometry	13	0	8
spec.IgE Phadiatop	FEIA	16	—	0
spec.IgE FX5	FEIA	18	—	2
Calprotectin	ELISA	21	0	2

(b)

Control group	Method	Normal	Reduced	Increased
Total IgA	Nephelometry	6	10	2
Total IgG	Nephelometry	12	6	0
Total IgM	Nephelometry	10	6	2
Total IgE	Nephelometry	8	—	10
spec.IgE Phadiatop	FEIA	8	—	6
spec.IgE FX5	FEIA	12	—	4