Research Article

Genotyping of Helicobacter pylori Virulence Genes cagA and vacA: Regional and National Study

Table 3

Association between virulence genes and endoscopic findings in H. pylori strains (no. = 60).

Virulence genesvacA genotypes (No.)Endoscopic findings (n = 60)
PUD (30) No. (%) valueGastritis (25) No. (%) valueGERD (15) No. (%) valueOthers (18) No. (%) value

vacA+/cagA+s1m1 (26)10 (33.3%)<0.00112 (20%)<0.0018 (13.3%)<0.0016 (10%)<0.001
s1m2 (5)5 (16.6%)4 (6.6%)2 (3.3%)0 (0.0%)
s2m2 (1)1 (3.3%)0 (0.0%)1 (1.6%)0 (0.0%)
vacA+/cagAs1m1 (1)0 (0.0%)0.3921 (3.3%)0.3920 (0.0%)0 (0.0%)
s1m2 (2)1 (3.3%)1 (3.3%)0 (0.0%)0 (0.0%)
s2m2 (2)0 (0.0%)2 (6.6%)0 (0.0%)0 (0.0%)
vacA−/cagA13 (23.3%)5 (11.6%)4 (1.6%)12 (16.6%)

PUD: Peptic Ulcer Disease. GERD: Gastroesophageal Reflux Disease.