Table 7.
Predictive parameters of mechanical complications of different invasive emergency procedures from univariate statistical analysis.
| Parameter | p value | Odds ratio | Lower 95% CI | Upper 95% CI |
|---|---|---|---|---|
| Airway management | ||||
| ISS >32.5* | <0.001 | 4.033 | 2.231 | 7.292 |
| Chest tube placement | ||||
| Out-of-hospital chest tube placement | 0.002 | 3.650 | 1.551 | 8.590 |
| Out-of-hospital tracheal intubation | 0.033 | 2.938 | 1.053 | 8.191 |
| Central venous catheterization | ||||
| ISS >33.5* | 0.005 | 2.588 | 1.314 | 5.098 |
| Out-of-hospital tracheal intubation | 0.056 | 2.178 | 0.966 | 4.910 |
| Arterial catheter placement | ||||
| Admission serum lactate >4.95 mmol/L | 0.001 | 3.394 | 1.654 | 6.962 |
| Admission base excess <−4.05 mmol/L | 0.008 | 2.431 | 1.239 | 4.770 |
CI; confidence interval, ISS; injury severity score, EMS; emergency medical service. *Cut off values from receiver operating characteristic (ROC) curve analysis; italicized p values indicate statistical significance (p < 0.05).