Table 3 Results of multivariable logistic regression analysis
Any intra-thoracic and intra-abdominal injuries | Significant intra-thoracic and intra-abdominal injuries | |||||
|---|---|---|---|---|---|---|
Variables | aOR | 95% CI | p-value | aOR | 95% CI | P-value |
Sex (reference = female) | 1.40 | 0.76–2.56 | 0.277 | 1.35 | 0.75–2.43 | 0.324 |
Age | 0.97 | 0.95–0.99 | 0.014 | 0.99 | 0.97–1.01 | 0.558 |
High-energy trauma | 1.51 | 0.83–2.76 | 0.175 | 1.62 | 0.93–2.84 | 0.091 |
Initial vital signs | ||||||
Systolic blood pressure | 1.01 | 0.99–1.02 | 0.398 | 1.00 | 0.99–1.01 | 0.877 |
Diastolic blood pressure | 0.99 | 0.97–1.02 | 0.699 | 1.00 | 0.97–1.02 | 0.799 |
Respiratory rate | 0.96 | 0.90–1.03 | 0.291 | 0.96 | 0.89–1.04 | 0.372 |
Heart rate | 0.99 | 0.98–1.01 | 0.492 | 1.01 | 1.00–1.03 | 0.125 |
In-ED management | ||||||
O2 supplementation | 3.02 | 1.51–6.04 | 0.002 | 3.66 | 2.08–6.45 | < 0.001 |
Mechanical ventilator use | 1.53 | 0.10–23.65 | 0.760 | 0.14 | 0.02–0.84 | 0.031 |
Transfusion | 4.87 | 0.77–30.57 | 0.092 | 13.41 | 2.67–67.39 | 0.002 |
Rib fracture characteristics | ||||||
Number of rib fractures | 1.44 | 1.16–1.78 | 0.001 | 1.33 | 1.12–1.58 | 0.001 |
Bilateral rib fracture | 0.35 | 0.12–1.02 | 0.055 | 0.42 | 0.17–1.04 | 0.062 |
Lower rib fracture | 1.08 | 0.59–1.99 | 0.798 | 1.53 | 0.86–2.72 | 0.144 |
Displacement | 1.68 | 0.65–4.35 | 0.287 | 1.29 | 0.65–2.57 | 0.465 |
Anterior rib fracture | 0.84 | 0.34–2.08 | 0.708 | 1.13 | 0.52–2.48 | 0.754 |
Lateral rib fracture | 2.80 | 1.32–5.95 | 0.008 | 0.67 | 0.34–1.33 | 0.250 |
Posterior rib fracture | 3.18 | 1.45–6.94 | 0.004 | 2.58 | 1.37–4.83 | 0.003 |
Other injuries | ||||||
Traumatic brain injury | 0.66 | 0.14–3.12 | 0.601 | 0.90 | 0.33–2.49 | 0.841 |
Facial bone fracture | 7.18 | 0.76–67.88 | 0.086 | 1.08 | 0.35–3.33 | 0.900 |
Pelvic bone fracture | 0.34 | 0.07–1.75 | 0.197 | 0.25 | 0.07–0.92 | 0.037 |
Extremity fracture | 1.79 | 0.56–5.76 | 0.325 | 2.94 | 1.16–7.46 | 0.023 |