Table 3 Final multivariate model-Adjusted association of variables with hypotension (defined as a new SBP < 90 mmHg ≤ 10 min of induction, or a > 10% drop if SBP was < 90 mmHg pre-PHEA) for adult trauma patients who underwent PHEA in the East of England, 2015–2020
Variable | Adjusted Odds ratio (95% CI) | P-value |
|---|---|---|
Age/years | ||
 16–34 | REF |  |
 35–54 | 1.23 (0.81–1.86) | 0.324 |
 55–74 | 2.13 (1.38–3.29) | < 0.001*** |
 75 + | 1.90 (1.08–3.31) | 0.024 * |
Pre-PHEA SBP/mmHg | ||
 Mid (90–140) | REF |  |
 Low < 90) | 0.71 (0.43–1.15) | 0.174 |
 High (> 140) | 0.37 (0.25–0.54) | < 0.001*** |
Pre-PHEA HR/beats/minute | ||
 Mid (60–100) | REF |  |
 Low (< 60) | 1.43 (0.76–2.59) | 0.256 |
 High (> 100) | 1.81 (1.28–2.57) | < 0.001*** |
RSI drug regime (fentanyl:ketamine:rocuronium) | ||
 3:2:1 | REF |  |
 1:1:1 | 1.12 (0.68–1.83) | 0.662 |
 0:1:1 | 2.09 (1.29–3.41) | 0.003** |
 0:0:1 (Roc only) | 2.86 (1.34–6.09) | 0.006** |
 Other | 1.35 (0.81–2.24) | 0.245 |
Pre-PHEA fluids | ||
 None | REF |  |
 Fluids | 1.59 (1.13–2.23) | 0.007** |
Suspected injury pattern | ||
 Isolated head injury | REF |  |
 Head injury + thorax/abdomen | 1.63 (1.13–2.36) | 0.009** |
 No head injury | 1.32 (0.80–2.15) | 0.277 |