Table 11

Variables associated with ROSC in cardiac arrest

Variable

OR (95% CI)

P value


Intial rhythm (VF/VT)

2.13 (1.17–4.22)

0.02

Female sex

1.58 (1.14–1.87)

0.04

Time arrival

1.69 (1.37–2.56)

0.01

Witness

1.65 (1.29–3.14)

0.02

Bystander CPR

3.26 (1.89–8.51)

0.01

Initial PetCO2

21.68 (9.72–38.37)

<0.0001

Average PetCO2

19.48 (7.53–33.86)

<0.001

10 minute PetCO2

14.37 (6.65–28.63)

<0.001

15 minute PetCO2

17.41 (7.62–24.57)

<0.001

20 minute PetCO2

24.86 (10.11–42.73)

<0.001

Max PetCO2

12.23 (4.83–23.64)

<0.001

Final PetCO2

18.07 (6.93–28.34)

<0.001


CI, confidence interval; CPR, cardiopulmonary resuscitation; OR, odds ratio; PetCO2, partial pressure of end-tidal carbon dioxide; ROSC, restoration of spontaneous circulation; VF, ventricular fibrillation; VT, ventricular tachycardia.

Kolar et al. Critical Care 2008 12:R115   doi:10.1186/cc7009

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