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Figure 1 The figure displays rates of major adverse events (death, Q-wave myocardial infarction, emergency bypass surgery) associated with interventional revascularization procedures. Vessels with small (2.5 mm) versus large (>2.5 mm) luminal reference diameter were compared after transcatheter interventions at proximal left anterior descending, proximal and mid-, and distal vessel locations. A small luminal reference diameter was associated with significantly higher complication rates, specifically when lesions at proximal left anterior descending or proximal and midvessel locations were treated interventionally. LAD = left anterior descending artery.