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Table 12 Variables associated with survival in cardiac arrest

From: Partial pressure of end-tidal carbon dioxide successful predicts cardiopulmonary resuscitation in the field: a prospective observational study

Variables OR (95% CI) P value
Initial rhythm (VF/VT) 1.86 (1.26–3.11) <0.001
Arrival time 1.39 (1.33–1.60) 0.01
Witness 9.98 (2.89–34.44) <0.0001
Bystander CPR 5.05 (2.24–11.39) <0.0001
Intial PetCO2 1.93 (1.48–3.75) 0.018
Average PetCO2 2.31 (1.45–4.86) <0.001
10 min PetCO2 2.11 (1.27–4.16) 0.001
15 min PetCO2 2.47 (1.33–5.21) <0.001
20 min PetCO2 3.85 (1.71–8.34) <0.001
Final PetCO2 2.37 (1.67–3.37) <0.001
  1. CI, confidence interval; CPR, cardiopulmonary resuscitation; OR, odds ratio; PetCO2, partial pressure of end-tidal carbon dioxide; VF, ventricular fibrillation; VT, ventricular tachycardia.