Table 2. Distribution of Hp virulence genes among patients with gastroduodenal pathology .
| Gastroduodenal pathology | No. (%) of positive for H. pylori | Distribution of virulence factors (%) | ||||
| cagA | cagE | iceA1 | iceA2 | oipA | ||
| Gastric ulcer | 87 (51.4) | 74 (85) | 75 (86.2) | 61(70.1) | 46 (52.8) | 52(59.7) |
| Duodenal ulcer | 36 (21.3) | 28 (77.7) | 23 (63.8) | 17 (47.2) | 16 (44.4) | 20(55.5) |
| Gastric cancer | 5 (2.9) | 5 (100) | 2 (40) | 3(60) | 1(20) | 1(20) |
| Gastritis | 30 (17.7) | 29 (96.6) | 25 (83.3) | 13 (43.3) | 6 (20) | 15(50) |
| Duodenitis | 11 (6.7) | 7 (63.6) | 6 (54.5) | 3(27.2) | 3(27.2) | 1(9) |
| Total | 169 (100) | 143 (84.6) | 131 (77.5) | 97 (57.3) | 72 (42.6) | 89(52.6) |