Table 4. Sensitivity, specificity, positive predictive value, and negative predictive value of MDCT in detecting different causes of bowel obstruction.
MDCT: multidetector computed tomography
| CAUSE OF OBSTRUCTION | SENSITIVITY (%) | SPECIFICITY (%) | POSITIVE PREDICTIVE VALUE | NEGATIVE PREDICTIVE VALUE | KAPPA |
| Adhesions | 100 | 100 | 100 | 100 | 1 |
| Mesenteric ischemia | 100 | 100 | 100 | 100 | 1 |
| Hernia | 100 | 100 | 100 | 100 | 1 |
| Volvulus | 100 | 100 | 100 | 100 | 1 |
| Abdominal collection | 100 | 100 | 100 | 100 | 1 |
| Pregnancy | 100 | 100 | 100 | 100 | 1 |
| Diverticulitis | 7.7 | 84.5 | 25.6 | 89.5 | 0.3 |
| Appendicitis | 100 | 100 | 100 | 100 | 1 |
| Carcinoma | 100 | 100 | 100 | 100 | 1 |
| Perforation | 100 | 100 | 100 | 100 | 1 |
| Tuberculosis | 18.8 | 53.8 | 75 | 58.3 | 0.51 |
| Inflammatory | 54.2 | 46.2 | 41.6 | 95.8 | 0.54 |
| Intussusception | 100 | 100 | 100 | 100 | 1 |
| Meckel’s diverticulum | 100 | 100 | 100 | 100 | 1 |
| Foreign body | 100 | 100 | 100 | 100 | 1 |
| Polyp | 100 | 100 | 100 | 100 | 1 |