Table 2 Univariable and multivariable regression analysis of mortality
Characteristic | Univariable | Multivariable [N = 218] | |||||
|---|---|---|---|---|---|---|---|
N | OR | 95% CI | p | OR | 95% CI | p | |
Age (per year) | 308 | 1.02 | 1.01, 1.03 | < 0.001 | 1.04 | 1.03, 1.06 | < 0.001 |
Sex | 308 | ||||||
Male | – | – | – | – | |||
Female | 1.11 | 0.64, 1.89 | 0.7 | 0.66 | 0.28, 1.52 | 0.3 | |
Glasgow Coma Scale (GCS) | 304 | ||||||
4–8 | – | – | – | – | |||
9–15 | 0.28 | 0.09, 0.69 | 0.011 | 0.52 | 0.13, 1.71 | 0.3 | |
3 | 2.66 | 1.59, 4.47 | < 0.001 | 5.17 | 2.31, 12.3 | < 0.001 | |
Systolic blood pressure in resuscitation room (per mm Hg) | 293 | 0.99 | 0.99, 1.00 | 0.10 | 1.00 | 0.99, 1.01 | 0.5 |
PetCO2 in resuscitation room (per kPa) | 291 | 0.54 | 0.40, 0.71 | < 0.001 | 0.55 | 0.35, 0.87 | 0.010 |
Injury Severity Score (per point) | 301 | 1.04 | 1.02, 1.06 | < 0.001 | 1.03 | 1.00, 1.06 | 0.037 |
Catecholamine | 284 | ||||||
No | – | – | – | – | |||
Yes | 1.59 | 0.91, 2.77 | 0.10 | 0.83 | 0.36, 1.85 | 0.6 | |
On-scene time (per min) | 307 | 0.99 | 0.97, 1.01 | 0.4 | 1.04 | 0.99, 1.09 | 0.2 |
Pre-hospital time (per min) | 305 | 0.99 | 0.97, 1.00 | 0.15 | 0.97 | 0.94, 1.00 | 0.079 |