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Meta-analysis showing the RR of 30-day mortality, MACCE, and early (in-hospital or 30-day) MACCE in the subgroup of simultaneous and staged HCR. Random-effects models were used for meta-analysis. CI, confidence interval; HCR, hybrid coronary revascularization; MACCE, major adverse cardiac and cerebrovascular event; OPCABG, off-pump coronary artery bypass grafting; RR, relative risk.
