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Table 3 The Cox proportional hazards model for 180-day mortality

From: Extracorporeal versus conventional cardiopulmonary resuscitation for refractory out-of-hospital cardiac arrest: a secondary analysis of the Prague OHCA trial

Factor

Hazard ratio

95% CI

P value

Sex (female)

0.89

0.6–1.3

0.55

Age (per year)

1.02

1.01–1.03

0.008

Initial rhythm (PEA/Asystole)

2.19

1.59–3.0

< 0.001

Prehospital ROSC (yes)

0.10

0.06–0.16

 < 0.001

Collapse to EMS arrival (per minute)

1.02

0.99–1.05

0.22

CPR time (per minute)

1.01

1.01–1.02

 < 0.001

Place of cardiac arrest (public)

1.01

0.72–1.42

0.95

Successful PCI (yes)

0.77

0.52–1.12

0.18

ECPR (yes)

0.21

0.14–0.31

 < 0.001

  1. Highlighted in bold are the values which are statistically significant (less than 0.05)
  2. CPR cardiopulmonary resuscitation, CI confidence interval, ECPR extracorporeal cardiopulmonary resuscitation, EMS emergency medical service, ROSC return of spontaneous circulation, PCI percutaneous coronary intervention, PEA pulseless electrical activity