Table 2. Patients groups from plasma samples included in this study according to revised ESPGHAN criteria.

	Study patients	n	Children	Adults	HLA DQ2/DQ8	IgA-tTG/EMA	Atrophy grade at diagnosis (Marsh criteria)
Celiac patients	aCD-patient	47	31	16	+	+	II-III
	GFD-patient	29	17	12	+	+	II-III
Non-Celiac patients	C-individual	37	10	27	+/-	- (*)	N.D
	GP-patient	69	23	46	+/-	- (*)	N.D/M.M

Active celiac disease (aCD-patients), celiac disease on a gluten-free diet (GFD-patients), healthy controls (C-individuals) and other gastrointestinal pathology (GP-patients).

^(*)Serological test were performed only in genetically susceptible patients.

N.D = Not determined.

M.M = Mild mucosal alterations non compatibles with CD.