Table 1

Dot blot results on serum samples

				Human tTG ELISA
	Human tTG DOT			IgA			IgG			IgA AEA
Study group	+	−		+	−		+	−		+	−
70 Patients with CD	70	0		65	2^1-1, 3^1-2		2^1-1, 3^1-2, 28	37		65	2^1-1, 3^1-2
64 Healthy controls	3	61		1	63		2	62		0	64
58 First degree CD relatives	0	58		0	58		0	58		0	58
64 Disease controls	0	64		0	64		0	64		0	64
10 Patients with Crohn's	0	10		0	10		0	10		0	10

↵1-1 Subjects with IgA serum deficiency.
↵1-2 Subjects with IgA antiendomysium negative tests but with positive human tTG IgG ELISA and dot blot.
CD, coeliac disease; human tTG, human tissue transglutaminase.