Descriptive characteristics | | |
Age (years) | 59 (48 to 68) | 59 (46.5 to 69) | 0.974 | Mann-Whitney U |
ISS | 17 (17 to 25) | 19.5 (17 to 29) | 0.258 | Mann-Whitney U |
Number of rib fractures | 9 (7 to 14) | 9 (7 to 13) | 0.512 | Mann-Whitney U |
Flail chest segment (n=33, n=128) | 15 (45.5) | 33 (25.8) | 0.028 | χ2 |
Bilateral rib fractures | 15 (45.5) | 87 (65.9) | 0.031 | χ2 |
Displaced rib fracture | 30 (90.9) | 85 (65.4) | 0.003 | χ2 |
First rib fracture | 11 (33.3) | 35 (26.5) | 0.435 | χ2 |
Sternum fracture | 3 (9.1) | 28 (21.2) | 0.110 | χ2 |
Clavicle fracture | 8 (24.2) | 19 (14.4) | 0.171 | χ2 |
Outcomes |
Ventilator days | 0 (0 to 4) | 0 (0 to 4) | 0.641 | Mann-Whitney U |
Hospital days | 11 (7 to 16) | 9 (4 to 18) | 0.136 | Mann-Whitney U |
ICU days | 6 (3 to 9) | 3 (2 to 9) | 0.040 | Mann-Whitney U |
Number of RBC units administered | 0 (0 to 1.5) | 0 (0 to 1) | 0.397 | Mann-Whitney U |
Severe ARDS | 1 (3.0) | 7 (5.3) | >0.999 | Fisher’s exact |
Pneumonia | 7 (21.2) | 14 (10.7) | 0.142 | Fisher’s exact |