First rib fracture (n=1683) |
Other rib fracture (n=8369) | ||
Prevalence of intrathoracic injuries, n (%) | |||
Flail chest | 449 (26.7) | 1403 (16.8) | p<0.001 |
Multiple rib fractures (≥3) | 745 (44.3) | 3698 (44.2) | p=0.952 |
Lung injuries (AIS ≥3) | 743 (44.1) | 1850 (22.1) | p<0.001 |
Vascular injuries (AIS ≥3) | 39 (2.3) | 67 (0.8) | p<0.001 |
Thoracic aorta | 23 (1.4) | 53 (0.6) | p<0.001 |
Heart/pericardium | 27 (1.6) | 41 (0.5) | p<0.001 |
Prevalence of extrathoracic injuries, n (%) | |||
Brain AIS ≥3 | 487 (28.9) | 1049 (12.5) | p<0.001 |
Cervical spine AIS ≥3 | 111 (6.6) | 128 (1.5) | p<0.001 |
Thoracic spine AIS ≥3 | 113 (6.7) | 240 (2.9) | p<0.001 |
Liver AIS ≥3 | 68 (4) | 145 (1.7) | p<0.001 |
Spleen AIS ≥3 | 57 (3.4) | 226 (2.7) | p=0.120 |
Pelvic ring AIS ≥3 | 146 (8.7) | 350 (4.2) | p<0.001 |
Brachial plexus | 18 (1.1) | 16 (0.2) | p<0.001 |
AIS, Abbreviated Injury Score.