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Composite standard (supine CXR + CT scan + tube/needle thoracostomy).
| Composite standard | Total performed | Positive cases | Negative cases | ||
|---|---|---|---|---|---|
| Supine CXR | 96 (100%) | 7 out of 96 | 7.3% | 89 out of 96 | 92.7% |
| CT scan | 12 (12.5%) | 3 out of 12 | 25% | 9 out of 12 | 75% |
| Tube/needle thoracostomy | 6 (6.25%) | 6 out of 6 | 100% | 0 out of 6 | 0.0% |
CXR, chest X-ray; CT, computed tomography.
