|Odds Ratio||95% Confidence Interval||p Value|
|Standard logistic regression∗||0.32||0.22–0.47||<0.001|
|Adjustment on PS†||0.35||0.24–0.50||<0.001|
|Probability of PS‡|
|Year of inclusion|
|Before or in 2005‡||0.38||0.21–0.70||0.002|
Abbreviations as in Table 1. IPTW = inverse probability of treatment weighting; PS = propensity score; SMR = standard mortality ratio.
↵∗ Adjusted according to baseline characteristics (age, sex, hypertension, diabetes mellitus, smoking, witnessed status, bystander CPR, length of resuscitation) and hospital covariates (i.e., PCI, hypothermia, post–cardiac arrest shock, blood lactate level).
↵† Adjusted on propensity score and hospital covariates.
↵‡ Adjusted on hospital covariates.