| Etiology | Frequency | Percentage |
| Adhesion obstruction | 27 | 52.9 |
| Fecaloma | 5 | 9.8 |
| Malignancy | 8 | 15.7 |
| Phytobezar | 2 | 3.9 |
| Crohn’s disease | 3 | 5.9 |
| Tuberculosis | 3 | 5.9 |
| Para duodenal hernia | 1 | 2.0 |
| Worm obstruction | 2 | 3.9 |
| Total | 51 | 100 |