Additional file 3: Figure S2. of Long-term outcomes of coronary artery bypass grafting versus stent-PCI for unprotected left main disease: a meta-analysis

Funnel plots. Panel A. Funnel plot for the composite endpoint of death, myocardial infarction (MI) and stroke, demonstrating no evidence of publication bias. Panel B. Funnel plot for the composite endpoint of death, myocardial infarction (MI), stroke anr repeat revascularization (RR), demonstrating no evidence of publication bias. Each circle represents a study. Study precision (reported on the y-axis as the Standard Error of the Log OR) is plottet against the summary effect. (PDF 293 kb)