Methods PubMed was searched from inception until July 1, 2022, for RCTs comparing immediate and delayed coronary angiography for OHCA patients without STE. We restrict the RCTs reporting all-cause mortality… Click to show full abstract
Methods PubMed was searched from inception until July 1, 2022, for RCTs comparing immediate and delayed coronary angiography for OHCA patients without STE. We restrict the RCTs reporting all-cause mortality within 180 days as primary or secondary outcomes. The primary end point was all-cause mortality within 180 days of arrest. The secondary end point was the poor neurological outcome (as measured by Cerebral Performance Category of 3–5) and the rate of percutaneous coronary intervention (PCI). The random-effects model was used to calculate the risk ratios (RR) and confidence intervals (CI). A P-value <0.05 was considered statistically significant. Heterogeneity was assessed with the Higgins I
               
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