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CT, computed tomography; POCUS, point-of-care ultrasound; SBO, small bowel obstruction
| CT result | Pre-test probability | |
| High (>80%) to moderate (50-80%) | Low (<20%) to mild (20-49%) | |
| SBO | 43.2% | 9.7% |
| No SBO | 56.8% | 90.3% |
