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Variables associated with restoration of spontaneous circulation and hospital admission |
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| Variables |
Odds ratio |
95% confidence interval |
p value |
|
|
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| Shockable rhythm (VF, VT) |
2.11 |
1.14–2.87 |
0.016 |
| Arrival time |
1.38a |
1.07–2.55 |
0.008 |
| Witnessed arrest |
1.27 |
0.76–1.94 |
0.54 |
| Bystander CPR |
2.43 |
1.21–4.98 |
0.014 |
| Initial petCO2 b |
20.35 |
5.43–35.63 |
<0.001 |
| Average petCO2 b |
6.36 |
2.30–8.34 |
<0.001 |
| Final petCO2 b |
2.85 |
1.43–3.92 |
0.003 |
| Initial MAPb |
1.25 |
1.13–1.86 |
0.02 |
| Vasopressin |
1.63 |
1.24–2.14 |
0.012 |
| Gender (female) |
2.85 |
1.36–5.48 |
0.002 |
| Period 2c |
1.28 |
1.15–1.92 |
0.02 |
|
aValue proportional to each one-minute decrease in arrival time; bValues proportional to each increase by 1.33 kPa (10 mm Hg); cCPR performed in the period from November 2003 to April 2006 (period 1: January 2000 to November 2003). CPR, cardiopulmonary resuscitation; MAP, mean arterial blood pressure; petCO2, end-tidal pressure of carbon dioxide; VF, ventricular fibrillation; VT, ventricular tachycardia without pulse. | |||
Mally et al. Critical Care 2007 11:R39 doi:10.1186/cc5726 |
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