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Relationships between the s/i/m regions of vacA and the clinical outcomes of H. pylori infections in Okinawa.
| Disease | N | s1/i1/m1 | s1/i1/m2 | s1/i2/m2 | s1/i3/m2 | s2/i2/m2 | s2/i2/m2-m1b | Negative |
|---|---|---|---|---|---|---|---|---|
| GC | 34 | 31 | 2 | 0 | 0 | 0 | 0 | 1 |
| GU | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 0 |
| DU | 26 | 15 | 2 | 7 | 1 | 1 | 0 | 0 |
| CG | 60 | 46 | 2 | 3 | 1 | 6 | 1 | 1 |
| Total | 139 | 111 | 6 | 10 | 2 | 7 | 1 | 2 |
The numbers of H. pylori strains of each vacA genotype detected in various diseases are shown. GC: gastric cancer; GU: gastric ulcers; DU: duodenal ulcers; CG: chronic gastritis
