Defining high-risk patients for endovascular aneurysm repair

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Presentation transcript:

Defining high-risk patients for endovascular aneurysm repair Natalia Egorova, PhD, MPH, Jeannine K. Giacovelli, MD, MPH, Annetine Gelijns, PhD, Giampaolo Greco, PhD, MPH, Alan Moskowitz, MD, James McKinsey, MD, K. Craig Kent, MD  Journal of Vascular Surgery  Volume 50, Issue 6, Pages 1271-1279.e1 (December 2009) DOI: 10.1016/j.jvs.2009.06.061 Copyright © 2009 Society for Vascular Surgery Terms and Conditions

Fig 1 Relationship between observed and predicted mortality by total score. Predicted mortality was estimated based on logistic regression model of two thirds of the cohort (development sample). Observed mortality was depicted from the remaining one third of the cohort (test sample). Coefficient of correlation between observed and predicted mortality r2 = 0.8294. Number of observations in the test sample by score: 1 – 3229, 2 – 2497, 3 – 4051, 4 – 2573, 5 – 2135, 6 – 1555, 7 – 1104, 8 – 800, 9 – 475, 10 – 312, 11 – 186, 12 – 130, 13 – 69, 14 – 24, 15 – 31, 16 – 15, 17 – 11, 18 – 2, 19 – 0, 20 – 3. Journal of Vascular Surgery 2009 50, 1271-1279.e1DOI: (10.1016/j.jvs.2009.06.061) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

Fig 2 Distribution of patients by risk scores. Journal of Vascular Surgery 2009 50, 1271-1279.e1DOI: (10.1016/j.jvs.2009.06.061) Copyright © 2009 Society for Vascular Surgery Terms and Conditions