Table 1.

Number of cases positive, negative or borderline for serum IgAEmA and anti-tTGIgA in children with newly diagnosed coeliac disease (group I)

IgAEmA	Anti-tTGIgA						all
	positive		borderline		negative
	N	%	N	%	N	%	N
Positive	36	10000	–	–	2	40.00	38
negative	–	–	1	100.00	3	60.00	4
All	36	100.00	1	100.00	5	100.00	42

Chi² = 28.0737 (p < 0.0001)

Contingency coefficient = 0.6330

Kendall τ =0.7748