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Forest plots. A: Forest comparing atrial fibrillation between post-pericardiotomy after coronary artery bypass grafting (CABG) and no posterior pericardiotomy (PP); B: Forest comparing cardiac tamponade between post-pericardiotomy after CABG and no PP; C: Forest comparing early pericardial effusion between post-pericardiotomy after CABG and no PP; D: Forest comparing hospital length of stay between post-pericardiotomy after CABG and no PP. CI: Confidence interval.
