Table 3 Relationship among the Helicobacter pylori genotypes.

	BabA	BabB	SabA	OipA	CagA
BabA		0.58	0.38	<0.001	<0.001
BabB	0.04		0.88	0.86	0.35
SabA	0.07	0.02		0.17	0.21
OipA	0.51	0.02	0.10		<0.001
CagA	0.54	0.08	0.10	0.83

Numbers above the diagonal space are p values using Fisher's exact test, and those below the diagonal space are Cramer's correlation coefficient.