Table V.
Associations among clinical outcomes, cagA, and the i-region genotype of vacA.
| (A) GC | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| vacA | Total | ||||||||
|
| |||||||||
| s1/i1/m1 | s1/i1/m2 | s1/i2/m2 | s1/i3/m2 | s2/i2/m2 | s2/i2/m2-m1b | Negative | |||
| cagA | East Asian | 29 | 2 | 0 | 0 | 0 | 0 | 1 | 32 |
| Western | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | |
| Negative | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 31 | 2 | 0 | 0 | 0 | 0 | 1 | 34 | |
| (B) GU | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| vacA | Total | ||||||||
|
| |||||||||
| s1/i1/m1 | s1/i1/m2 | s1/i2/m2 | s1/i3/m2 | s2/i2/m2 | s2/i2/m2-m1b | Negative | |||
| cagA | East Asian | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 16 |
| Western | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Negative | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | |
| (C) DU | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| vacA | Total | ||||||||
|
| |||||||||
| s1/i1/m1 | s1/i1/m2 | s1/i2/m2 | s1/i3/m2 | s2/i2/m2 | s2/i2/m2-m1b | Negative | |||
| cagA | East Asian | 13 | 1 | 1 | 0 | 0 | 0 | 0 | 15 |
| Western | 2 | 1 | 6 | 1 | 0 | 0 | 0 | 10 | |
| Negative | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | |
| Total | 15 | 2 | 7 | 1 | 1 | 0 | 0 | 26 | |
| (D) CG | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| vacA | Total | ||||||||
|
| |||||||||
| s1/i1/m1 | s1/i1/m2 | s1/i2/m2 | s1/i3/m2 | s2/i2/m2 | s2/i2/m2-m1b | Negative | |||
| cagA | East Asian | 39 | 2 | 0 | 0 | 0 | 0 | 1 | 42 |
| Western | 2 | 0 | 3 | 1 | 2 | 0 | 0 | 8 | |
| Negative | 2 | 0 | 0 | 0 | 4 | 1 | 0 | 7 | |
| Total | 43 | 2 | 3 | 1 | 6 | 1 | 1 | 57 | |
For the 133 H. pylori strains in which it was possible to type cagA, 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