Table 1.
Conditions Observed in the Earthquake-related Thoracic Crush Traumas and Non-earthquake Traumas.
| Injuries | Earthquake Cases (%) | Non-earthquake Cases (%) | Rate Ratio | P |
| Bone fractures | 150 (69.8) | 93 (43.3) | 1.6 | < 0.001 |
| Rib | 143 (66.5) | 66 (30.7) | 2.2 | < 0.001 |
| Non-rib fractures | 85 (39.5) | 60 (27.9) | 1.4 | < 0.01 |
| Vertebral body | 46 (21.4) | 19 (8.8) | 2.4 | < 0.001 |
| Sternum | 12 (5.6) | 5 (2.3) | 2.4 | < 0.05 |
| Scapula | 34 (15.8) | 29 (13.5) | 1.2 | NS |
| Clavicle | 22 (10.2) | 22 (10.2) | 1.0 | NS |
| Pulmonary parenchymal | 117 (54.4) | 80 (37.2) | 1.5 | < 0.001 |
| Contusion | 113 (52.6) | 75 (34.9) | ||
| Laceration | 7 (3.3) | 9 (4.2) | ||
| Pleura | 146 (67.9) | 74 (34.4) | 2.0 | < 0.001 |
| Pneumothorax | 8 (3.7) | 5 (2.3) | ||
| Hemothorax | 92 (42.8) | 44 (20.5) | ||
| Hemo-pneumothorax | 46 (21.4) | 25 (11.6) | ||
| Soft tissue of chest wall | ||||
| Muscular swelling and fatty edema | 187 (87.0) | 174 (80.9) | ||
| Subcutaneous emphysema | 39 (18.1) | 31 (14.4) | ||
| Others | ||||
| Pneumomediastinum | 12 (5.6) | 12 (5.6) | ||
| Aortic dissection aneurism | 1 (0.5) | 1 (0.5) | ||
| Hemopericardium | 0 (0) | 2 (0.9) | ||
| Diaphragmatic hernia | 1 (0.5) | 1 (0.5) |