Table 6.
Frequency of H. pylori virulence genes' cDNA in gastric carcinoma biopsy samples with G1 and G2 tumor grades. All samples with G3 and G4 tumor grades were without H. pylori infection.
| Variable/Tumor grade | N | G1 (N 7) | G2 (N 14) | P value |
|---|---|---|---|---|
| H. pylori infection | 11 | 4 (36.36%) | 7 (63.64%) | 0.047 |
| cagA | 5 | 1 (20%) | 4 (80%) | 0.303 |
| cagA-EPIYAC | 4 | 1 (25%) | 3 (75%) | 0.554 |
| cagT | 11 | 4 (36.36%) | 7 (63.64%) | 0.047 |
| cagY | 8 | 1 (12.5%) | 7 (87.5%) | 0.007 |
| cagE | 5 | 1 (20%) | 4 (80%) | 0.303 |
| vacA s1m1 | 5 | 1 (20%) | 4 (80%) | 0.303 |
| vacA s1m2 | 6 | 3 (50%) | 3 (50%) | 0.545 |
| SabA/B | 9 | 3 (33.33%) | 6 (66.67%) | 0.856 |
| BabA2/B | 7 | 2 (28.57%) | 5 (81.43%) | 0.735 |
| oipA | 11 | 4 (36.36%) | 7 (63.64%) | 0.047 |
| AlpA/B | 10 | 4 (40%) | 6 (60%) | 0.378 |
| HopQI/II | 9 | 4 (44.44%) | 5 (53.64%) | 0.308 |
| IceA1/2 | 11 | 4 (36.36%) | 7 (63.64%) | 0.047 |