1. Date of download: 5/31/2016 Copyright © The American College of Cardiology. All rights reserved. From: Influence of Site and Operator Characteristics on Carotid Artery Stent Outcomes: Analysis of the CAPTURE 2 (Carotid ACCULINK/ACCUNET Post Approval Trial to Uncover Rare Events) Clinical Study J Am Coll Cardiol Intv. 2011;4(2):235-246. doi:10.1016/j.jcin.2010.10.009 Patient DS Rate by Site and Patients/Site and Linear Regression of DS (A) Death and stroke (DS) rate of nonoctogenarian asymptomatic patients by site and number of patients/site (dotted horizontal line indicates American Heart Association guideline of 3% event rate for asymptomatic patients). (B) Linear regression of DS on number of patients/site. Figure Legend:

2. Date of download: 5/31/2016 Copyright © The American College of Cardiology. All rights reserved. From: Influence of Site and Operator Characteristics on Carotid Artery Stent Outcomes: Analysis of the CAPTURE 2 (Carotid ACCULINK/ACCUNET Post Approval Trial to Uncover Rare Events) Clinical Study J Am Coll Cardiol Intv. 2011;4(2):235-246. doi:10.1016/j.jcin.2010.10.009 Patient DS Rate and Number of Staffed Beds/Hospital and Linear Regression of DS Rate on Number of Staffed Beds/Hospital (A) Death and stroke (DS) rate of nonoctogenarian asymptomatic patients and number of staffed beds/hospital (dotted horizontal line indicates American Heart Association guideline of 3% event rate for asymptomatic patients). (B) Linear regression of DS rate on number of staffed beds/hospital. Figure Legend:

3. Date of download: 5/31/2016 Copyright © The American College of Cardiology. All rights reserved. From: Influence of Site and Operator Characteristics on Carotid Artery Stent Outcomes: Analysis of the CAPTURE 2 (Carotid ACCULINK/ACCUNET Post Approval Trial to Uncover Rare Events) Clinical Study J Am Coll Cardiol Intv. 2011;4(2):235-246. doi:10.1016/j.jcin.2010.10.009 Patient DS Rate and Number of Patients/Physician and Linear Regression of DS Rate on Number of Patients/Physician (A) Death and stroke (DS) rate of nonoctogenarian asymptomatic patients and number of patients/physician (dotted horizontal line indicates American Heart Association guideline of 3% event rate for asymptomatic patients). (B) Linear regression of DS rate on number of patients/physician. Figure Legend:

4. Date of download: 5/31/2016 Copyright © The American College of Cardiology. All rights reserved. From: Influence of Site and Operator Characteristics on Carotid Artery Stent Outcomes: Analysis of the CAPTURE 2 (Carotid ACCULINK/ACCUNET Post Approval Trial to Uncover Rare Events) Clinical Study J Am Coll Cardiol Intv. 2011;4(2):235-246. doi:10.1016/j.jcin.2010.10.009 Patient DS by Specialty (A) Death and stroke (DS) rate by number of patients/physician for interventional cardiologists (dotted horizontal line indicates American Heart Association guideline of 3% event rate for asymptomatic patients). (B) Linear regression of DS rate by number of patients for interventional cardiologists. (C) The DS rate by number of patients for vascular surgeons (dotted horizontal line indicates American Heart Association guideline of 3% event rate for asymptomatic patients). (D) Linear regression of DS rate by number of patients for vascular surgeons. Figure Legend: