Table 4

Results of multivariable logistic regression on imputed data set for TCA survival to hospital admission or survival to receiving hospital discharge outcomes

CovariateSurvival to hospital admissionSurvival to hospital discharge
EffectP valueEffectP value
Arrest witnessed−0.760.035−0.7840.26
Response time (min)−0.0720.057−0.009440.89
Shockable initial rhythm0.7770.222.490.0030
Air ambulance0.9520.0120.1800.83
  • Models were simplified by sequential elimination of terms and interactions that were not significant for at least one of the two outcomes. Significant covariate estimates are denoted in bold assuming a significance level of 5% and estimates are log odds.

  • TCA, traumatic cardiac arrest.