1. Date of download: 5/29/2016 Copyright © The American College of Cardiology. All rights reserved. From: Prospective Application of Pre-Defined Intravascular Ultrasound Criteria for Assessment of Intermediate Left Main Coronary Artery Lesions: Results From the Multicenter LITRO Study J Am Coll Cardiol. 2011;58(4):351-358. doi:10.1016/j.jacc.2011.02.064 Flow Chart of the Study CABG = coronary artery bypass graft; IVUS = intravascular ultrasound; LM = left main; MLA = minimum lumen area; PCI = percutaneous coronary intervention; pts = patients. Figure Legend:

2. Date of download: 5/29/2016 Copyright © The American College of Cardiology. All rights reserved. From: Prospective Application of Pre-Defined Intravascular Ultrasound Criteria for Assessment of Intermediate Left Main Coronary Artery Lesions: Results From the Multicenter LITRO Study J Am Coll Cardiol. 2011;58(4):351-358. doi:10.1016/j.jacc.2011.02.064 Individual Data Comparison Graphs (A) Individual data comparison graph for angiographic left main coronary artery stenosis in both intravascular ultrasound (IVUS)- derived groups. (B) Individual data comparison graph for angiographic left main coronary artery minimum lumen diameter in both IVUS-derived groups. Circles = deferred group; squares = revascularized group; MLD = minimum lumen diameter; QCA = quantitative coronary angiography. Figure Legend:

3. Date of download: 5/29/2016 Copyright © The American College of Cardiology. All rights reserved. From: Prospective Application of Pre-Defined Intravascular Ultrasound Criteria for Assessment of Intermediate Left Main Coronary Artery Lesions: Results From the Multicenter LITRO Study J Am Coll Cardiol. 2011;58(4):351-358. doi:10.1016/j.jacc.2011.02.064 Minimum Lumen Area and Plaque Burden Distribution in Both Groups Minimum lumen area (MLA) and plaque burden distribution in (A, B) deferred group and (C, D) revascularized group. Figure Legend:

4. Date of download: 5/29/2016 Copyright © The American College of Cardiology. All rights reserved. From: Prospective Application of Pre-Defined Intravascular Ultrasound Criteria for Assessment of Intermediate Left Main Coronary Artery Lesions: Results From the Multicenter LITRO Study J Am Coll Cardiol. 2011;58(4):351-358. doi:10.1016/j.jacc.2011.02.064 Survival Free of Cardiac Death in Both Groups Survival free of cardiac death in the deferred (DEF) and revascularized (REV) groups. Figure Legend:

5. Date of download: 5/29/2016 Copyright © The American College of Cardiology. All rights reserved. From: Prospective Application of Pre-Defined Intravascular Ultrasound Criteria for Assessment of Intermediate Left Main Coronary Artery Lesions: Results From the Multicenter LITRO Study J Am Coll Cardiol. 2011;58(4):351-358. doi:10.1016/j.jacc.2011.02.064 Survival Free of Cardiac Death, Myocardial Infarction, and Any Revascularization in Both Groups Survival free of cardiac death, myocardial infarction, and any revascularization in the DEF and REV groups. Abbreviations as in Figure 4. Figure Legend: