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Published byMelvin Shelton Modified over 5 years ago
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Mortality variability after endovascular versus open abdominal aortic aneurysm repair in a large tertiary vascular center using a Medicare-derived risk prediction model Caitlin W. Hicks, MD, MS, James H. Black, MD, Isibor Arhuidese, MD, MPH, Luda Asanova, MD, Umair Qazi, MD, MPH, Bruce A. Perler, MD, Julie A. Freischlag, MD, Mahmoud B. Malas, MD, MHS Journal of Vascular Surgery Volume 61, Issue 2, Pages (February 2015) DOI: /j.jvs Copyright © 2015 Society for Vascular Surgery Terms and Conditions
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Fig 1 Risk stratification of patients undergoing abdominal aortic aneurysm (AAA) repair. Most patients in our study were categorized as moderate risk or high risk for AAA repair surgery according to the mortality risk scoring equation developed by Giles et al.15 EVAR, Endovascular aneurysm repair. Journal of Vascular Surgery , DOI: ( /j.jvs ) Copyright © 2015 Society for Vascular Surgery Terms and Conditions
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Fig 2 Observed vs expected mortality. A, The observed mortality was significantly lower than the expected mortality for each treatment group overall. When stratified by operative risk, low-risk open abdominal aortic aneurysm (AAA) patients had similar observed and predicted mortality rates, whereas medium-risk and high-risk (B) open AAA and all (C) endovascular aneurysm repair (EVAR) patients had significantly lower rates. Journal of Vascular Surgery , DOI: ( /j.jvs ) Copyright © 2015 Society for Vascular Surgery Terms and Conditions
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