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Table 3 Multivariate analysis for factors associated with favorable neurological outcome at 1 month after cardiac arrest in patients with initially nonshockable rhythms

From: Subsequent shock deliveries are associated with increased favorable neurological outcomes in cardiac arrest patients who had initially non-shockable rhythms

 

Odds ratio (95 % CI)

P value

Age (per year)

0.97 (0.96–0.98)

<0.0001

Male

0.99 (0.58–1.69)

0.97

Public location

1.54 (0.90–2.62)

0.11

Witnessed arrest

1.30 (0.75–2.24)

0.35

Bystander CPR

0.83 (0.47–1.48)

0.54

Call–response intervala (per minute)

0.91 (0.83–0.99)

0.037

Initial rhythm PEA

11.3 (5.94–21.6)

<0.0001

Cardiac etiology

1.82 (1.07–3.09)

0.028

Subsequently shocked

2.78 (1.45–5.30)

0.0020

  1. P values calculated using a multivariate logistic regression
  2. aShock delivery time was the interval from the initiation of CPR by EMS providers to the first shock delivery by EMS providers
  3. CI confidence interval, CPR cardiopulmonary resuscitation, EMS emergency medical service, PEA pulseless electrical activity