Table 3.
Computed tomography findings in relation to positive radiography findings.
| Radiography | CT rib fracture | CT contusion | CT subcutaneous emphysema | CT pneumothorax | ||||
|---|---|---|---|---|---|---|---|---|
| Negative | Positive | Negative | Positive | Negative | Positive | Negative | Positive | |
| Rib fracture | 0 (0.0) | 863 (100.0) | 80 (9.3) | 783 (90.7) | 455 (52.7) | 408 (47.3) | 295 (34.2) | 568 (65.8) |
| Lung contusion | 24 (4.8) | 472 (95.2) | 1 (0.2) | 495 (99.8) | 257 (51.8) | 239 (48.2) | 152 (30.7) | 344 (69.34) |
| Subcutaneous emphysema | 0 (0.0) | 270 (100.0) | 11 (4.1) | 259 (95.9) | 1 (0.4) | 269 (99.6) | 9 (3.3) | 261 (96.7) |
| Pneumothorax | 10 (10.0) | 90 (90.0) | 3 (3.0) | 97 (97.0) | 40 (40.0) | 60 (60.0) | 0 (0.0) | 100 (100.0) |