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| Diagnostic tool | CR (%) | CT (%) | FOB (%) |
|---|---|---|---|
| Identifying site of bleeding | 33–82 | 70–88.5 | 73–93 |
| Revealing underlying cause | 35 | 60–77 | 2.5–8 |
CR, chest radiography; CT, computed tomography; FOB, fiberoptic bronchoscopy.
