Table 4.

Relationship among different H. pylori virulence factors and plasticity regions

Region and factor	Relationshipa
Western	jhp0940	jhp0945	jhp0947	jhp0949
jhp0940		0.185*	0.078	0.160*
jhp0945			<0.001	0.161*
jhp0947				0.344*
jhp0949
vacA s1	0.003	0.027	0.009	0.044
vacA m1	0.016	0.073	0.031	0.072
vacA i1	0.027	0.017	0.006	0.033
cagA	0.007	0.061	0.041	0.014
East Asian	jhp0940	jhp0945	jhp0947	jhp0949
jhp0940		0.109	0.095	0.024
jhp0945			0.115
jhp0947				0.038
jhp0949
vacA s1
vacA m1	0.113	0.009	0.012	0.071
vacA i1	0.054	0.054	0.042	0.184
cagA	0.068	0.114	0.123	0.142

^aThe ϕ coefficient value as association between the two factors was analyzed by Fisher's exact test. *, P < 0.05.