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Clinical and demographic characteristics for the 737 cardiac arrest patients, according to survival (discharge from hospital) |
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| Death (in the field and in hospital; n = 567) |
Survivors (discharge from hospital; n = 170) |
P value |
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| 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 |
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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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