Gastritis Stages in Monozygotic and Dizygotic Dyspeptic Twins

Table 2

Concordance of topographical extension of atrophy and IM in monozygotic and dizygotic twins.

Twin pairs	Monozygotic		Dizygotic		value
	(14)	%	(15)	%
Concordance according to antrum athrophy	11	78.6%	11	73.3%	0.742
Concordance according to corpus athrophy	13	92.9%	13	86.7%	0.584
Concordance according to antrum IM	12	85.7%	11	73.3%	0.411
Concordance according to corpus IM	12	85.7%	13	86.7%	0.941

IM: intestinal metaplasia.