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Methods used to diagnose an esophageal perforation
| Diagnostic tools | n:o of cases used n (%) | True positive n (%) | False negative n (%) |
|---|---|---|---|
| CAT-scan | 22 (18) | 21 (95) | 1 (5) |
| Contrast plain film | 98 (78) | 91 (93) | 7 (7) |
| Plain chest X-ray | 44 (35) | 38 (86) | 6 (14) |
| Gastroscopy | 5 (4) | 4 (80) | 1 (20) |
