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Figure 3 Plot of time-related graft patency (or freedom from graft occlusion) for saphenous vein grafts (SVG) to the left anterior descending (LAD), circumflex (CX), and right coronary (RCA) arteries. The number of patients at each time point is listed in the figure. *p < 0.001 (LAD vs. CX and/or RCA). CABG = coronary artery bypass grafting.