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Table 4 Multivariable logistic regression analysis for the outcome survival in the Utstein subgroup (adult, bystander-witnessed, initial rhythm, shockable, presumed medical aetiology)

From: Apples to apples: can differences in out-of-hospital cardiac arrest incidence and outcomes between Sweden and Ireland be explained by core Utstein variables?

  Survival
  Adjusted Odds Ratio (95% CI)
Sweden 4.28 (2.51–7.30)
Age (in years) 0.97 (0.96–0.97)
Male 1.60 (1.02–2.52)
Not at home 3.05 (2.16–4.30)
CPR before ambulance arrival 1.65 (1.30–2.10)
Defibrillation attempted before ambulance arrival 1.40 (1.13–2.74)
Call Response Interval 5 min or less 1.97 (1.61–2.40)
Model Fit
Nagelkerke R2 adjusted 0.17
  1. Hosmer and Lemeshow Test not significant for any imputations