Table 1

Clinical and demographic characteristics for 737 of cardiac arrest patients, according to immediate outcome (ROSC with hospital admission)

Death in the field (n = 335)

ROSC with hospitalization (n = 402)

P value


Male sex (n [%])a

242 (72.2%)

253 (62.9%)

0.007

Age (years; mean ± SD)b

62.7 ± 15.8

58.8 ± 12.8

0.049

Initial shockable (VF/VT) rhythm (n [%])a

92 (27.5%)

212(52.7%)

<0.001

Witnessed arrests (n [%])a

176 (52.5%)

294 (73.1%)

0.001

Bystander CPR (n [%])a

41 (12.2%)

132 (32.8%)

<0.001

Initial PetCO2 (kPa [mmHg]; mean ± SD)b

2.6 ± 2.4 (19.6 ± 18.1)

3.1 ± 1.6 (23.5 ± 12.4)

<0.001

Final PetCO2 (kPa [mmHg]; mean ± SD)b

0.9 ± 0.3 (7.3 ± 2.5)

3.5 ± 0.9 (27.4 ± 7.1)

<0.001

Response time (minutes; mean ± SD)b

11.2 ± 4.3

7.8 ± 3.9

<0.001


aFisher test. bWilcoxon rank sum test. CPR, cardiopulmonary resuscitation; PetCO2, partial end-tidal pressure of carbon dioxide; SD, standard deviation; VF, ventricular fibrillation; VT, ventricular tachycardia.

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

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