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Figure 4 Survival Benefit for CABG Versus PCI by CAD Severity
These data derive from subtracting 17-year PCI from CABG Kaplan-Meier survival data after adjustment for baseline clinical differences and propensity adjustment. Survival differences expressed as the extra patients projected to survive for each 100 treated by CABG compared with PCI. Little significant difference between the 2 interventional strategies is apparent in the low-severity and intermediate-severity CAD group. However, the high-severity CAD group achieved a survival advantage of 6 patients per 100 from revascularization by CABG compared with PCI by 3 years after the procedure that remained through year 12. Abbreviations as in Figures 1 and 3. Adapted with permission from Smith et al. (7).
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