Analysis of Correlation between the Seven Important Helicobacter pylori (H. pylori) Virulence Factors and Drug Resistance in Patients with Gastritis

Table 4

Correlation between presence or absence of H. pylori virulence genes and gastritis.

Virulence genes	Status	Gastritis, (%)
cagA	Absent	22 (67)
	Present	11 (33)
vacA m1	Absent	24 (73)
	Present	9 (27)
vacA m2	Absent	30 (91)
	Present	3 (9)
vacA s1	Absent	30 (91)
	Present	3 (9)
vacA s2	Absent	23 (70)
	Present	10 (30)
ureA	Absent	9 (27)
	Present	24 (73)
ureB	Absent	25 (76)
	Present	8 (24)
napA	Absent	2 (6)
	Present	31 (94)
dupA	Absent	33 (100)
	Present	0 (0)
oipA	Absent	32 (97)
	Present	1 (3)
hpaA	Absent	22 (67)
	Present	11 (33)