Research Article
Virulence Genes of Helicobacter pylori Increase the Risk of Premalignant Gastric Lesions in a Colombian Population
Table 4
Bacterial genotype distribution in the study groups.
| | | CNAG† | Atrophy | Metaplasia | Dysplasia | Total |
| | vacA genotypes | s1m1 | 136 (72.3) | 43 (69.4) | 145 (88.4) | 34 (89.5) | 358 (79.2) | | s1m2 | 2 (1.1) | 3 (4.8) | 4 (2.4) | 0 | 9 (2) | | s2m2 | 28 (14.9) | 8 (12.9) | 6 (3.7) | 1 (2.6) | 43 (9.5) | | Coinfection‡ | 22 (11.7) | 8 (12.9) | 9 (5.5) | 3 (7.9) | 42 (9.3) |
| | cagA genotypes | cagA− | 116 (61.7) | 39 (62.9) | 82 (50) | 24 (63.2) | 261 (57.7) | | cagA+ | 72 (38.3) | 23 (37.1) | 82 (50) | 14 (36.8) | 191 (42.3) | | | Total | 188 (100) | 62 (100) | 164 (100) | 38 (100) | 452 (100) |
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†CNAG: chronic nonatrophic gastritis. ‡Coinfection: s1s2m1, s1s2m2, s1m1m2, s2m1m2, s1s2m1m2.
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