| Factors | Helicobacter pylori | Total | P-value | ||
| Present (%) | Absent (%) | ||||
| PUD/Dyspepsia | Present | 12 (50) | 12 (50) | 24 (100) | 1.000 |
| Absent | 11 (45.8) | 13 (54.2) | 24 (100) |
| |
| NSAIDs | Present | 8 (53.3) | 7 (46.7) | 15 (100) | 0.846 |
| Absent | 15 (45.5) | 18 (54.5) | 33 (100) |
| |
| Smoking | Present | 5 (45.5) | 6 (54.5) | 11 (100) | 1.000 |
| Absent | 18 (48.6) | 19 (54.1) | 37 (100) |
| |
| Alcohol | Present | 8 (72.7) | 3 (27.3) | 11 (100) | 0.125 |
| Absent | 15 (40.5) | 22 (59.5) | 37 (100) |
| |
| Blood group O | Present | 10 (50) | 10 (50) | 20 (100) | 1.000 |
| Absent | 13 (46.4) | 15 (53.6) | 28 (100) |
| |