| Site of perforation | Helicobacter pylori | Total | P-value | |
| Present (%) | Absent (%) | |||
| Gastric | 22 (48.9) | 23 (51.1) | 45 (100) | 1.000 |
| Duodenal | 1 (33.3) | 2 (66.7) | 3 (100) |
|
| Total | 23 (47.9) | 25 (52.1) | 48 (100) |
|