Table IV.
Relationships between the vacA s-, m-, i-region genotypes of H. pylori strains isolated in Okinawa and the clinical outcomes of H. pylori infections.
| Clinical outcome | vacA s-region genotype (no. of strains) | Total | |
|---|---|---|---|
|
| |||
| s1 | s2 | ||
| GC | 33 | 0 | 33 |
| GU | 19 | 0 | 19 |
| DU | 25 | 1 | 26 |
| CG | 52 | 7 | 59 |
| Total | 129 | 8 | 137 |
| Clinical outcome | vacA m-region genotype (no. of strains) | Total | |
|---|---|---|---|
|
| |||
| m1 | m2 | ||
| GC | 31 | 2 | 33 |
| GU | 19 | 0 | 19 |
| DU | 15 | 11 | 26 |
| CG | 46 | 13 | 59 |
| Total | 111 | 26 | 137 |
| Clinical outcome | vacA i-region genotype (no. of strains) | Total | ||
|---|---|---|---|---|
|
| ||||
| i1 | i2 | i3 | ||
| GC | 33 | 0 | 0 | 33 |
| GU | 19 | 0 | 0 | 19 |
| DU | 17 | 8 | 1 | 26 |
| CG | 48 | 10 | 1 | 59 |
| Total | 117 | 18 | 2 | 137 |
For the 137 vacA-positive H. pylori strains, the numbers of H. pylori strains that exhibited each vacA genotype in various diseases are shown. GC: gastric cancer; GU: gastric ulcers; DU: duodenal ulcers; CG: chronic gastritis