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| Etiology | Mean duration of pain in the abdomen (days) | SD | Range |
| Typhoid | 4.44 | 4.082 | 1-16 |
| Tuberculosis | 4.5 | 3.942 | 1-15 |
| Crohn’s | 5 | 0 | |
| Diverticulosis | 6.5 | 4.95 | 3-10 |
| Meckel’s | 4 | 0 | |
| Non-Hodgkin’s lymphoma | 25 | 0 | |
| Nonspecific | 4.57 | 2.768 | 2-10 |
| Trauma | 1.4 | 0.816 | 1-3 |
| Band adhesion | 3 | 2.828 | 1-5 |
| Tubulovillous adenoma | 20 | 0 |
