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Figure 3 Kaplan-Meier plot of survival free of unstable angina (UA) or repeat revascularization for coronary artery bypass graft surgery (CABG) (circles) versus percutaneous coronary intervention (PCI) (squares). The CABG and PCI number of patients (N) and the percentage surviving free of UA or repeat revascularizations for each time period are shown at the bottom of the plot.