| Gene characteristic | cagA and vacA genotypes and upper gastrointestinal endoscopy results | ||||
| Gastritis | No gastritis | P value | |||
| n | % | n | % | ||
| cagA (N = 82) |
|
|
|
|
|
| Present (N = 77) | 47 | 61.04 | 30 | 38.96 | 0.9999 |
| Absent (N = 5) | 3 | 60 | 2 | 40 | |
| vacAs1m1 (N = 59) | 20 | 33.9 | 39 | 66.1 | 0.0642 |
| vacA s et m nons1m1 (N = 13) | 8 | 61.54 | 5 | 38.46 | |
| vacAs1b (N = 59) | 31 | 52.54 | 28 | 47.46 | 0.3666 |
| vacA s nons1b (N = 12) | 7 | 58.33 | 5 | 41.67 | |
| vacA s1c (N = 17) | 9 | 52.95 | 8 | 47.05 | 0.5461 |
| vacA non s1c (N = 34) | 21 | 61.76 | 13 | 38.24 | |