Table 2

Clinical and demographic characteristics for the 737 cardiac arrest patients, according to survival (discharge from hospital)

Death (in the field and in hospital; n = 567)

Survivors (discharge from hospital; n = 170)

P value


Male sex (n [%])a

384 (67.7%)

111 (65.3%)

0.224

Age (years; mean ± SD)b

61.2 ± 14.7

60.2 ± 13.3

0.861

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

209 (36.9%)

95(55.8%)

0.206

Witnessed arrests (n [%])a

314 (55.4%)

160 (94.1%)

<0.001

Bystander CPR (n [%])a

86 (15.2%)

88 (51.8%)

<0.001

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

2.4 ± 1.9 (17.6.0 ± 14.7)

3.1 ± 1.4 (23.8 ± 10.7)

<0.001

Final PetCO2 (kPa [mmHg]; mean ± SD)b

1.9 ± 1.4 (15.0 ± 10.0)

3.9 ± 1.1 (29.3 ± 8.4)

<0.001

Response time (minutes; mean ± SD)b

12.7 ± 4.4

6.3 ± 3.2

<0.001


aFisher test. bWilcoxon rank sum test. CPR, cardiopulmonary resuscitation; PetCO2, partial end-tidal pressure of carbin 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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