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Figure 1 Diagram of the Bypass Angioplasty Revascularization Investigation population showing the number of patients with complete revascularization (CR) versus incomplete revascularization (IR) intended (if assigned to percutaneous transluminal coronary angioplasty [PTCA]) and for each group, random assignment and actual treatment by coronary artery bypass graft surgery (CABG) or PTCA. *Refers to eligible patients who agreed to be randomized although the intended completeness of revascularization was assessed for all patients before study entry. **In 311 of the 624 patients clinically important lesions not intended for revascularization were involved.
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