Tom Kai Ming Wang, MBCHB, David H. M

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Presentation transcript:

Comparison of four contemporary risk models at predicting mortality after aortic valve replacement Tom Kai Ming Wang, MBCHB, David H.M. Choi, MBCHB, Ralph Stewart, MD, Greg Gamble, MSc, David Haydock, FRACS, Peter Ruygrok, MD The Journal of Thoracic and Cardiovascular Surgery Volume 149, Issue 2, Pages 443-448 (February 2015) DOI: 10.1016/j.jtcvs.2014.04.032 Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Calibration of operative mortality observed and predicted quintiles of each risk model: A, European System for Cardiac Operative Risk Evaluation (EuroSCORE); B, EuroSCORE II; C, Society of Thoracic Surgeons (STS) score; and D, a risk model specific to aortic valve replacement based on an Australasian population (Aus-AVR) score. The expected line (red) is the mean score for that quintile, and the observed line (blue) is the proportion of patients with operative mortality in that quintile. The Journal of Thoracic and Cardiovascular Surgery 2015 149, 443-448DOI: (10.1016/j.jtcvs.2014.04.032) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Survival curves by quintile for each risk model: A, European System for Cardiac Operative Risk Evaluation (EuroSCORE); B, EuroSCORE II, C, Society of Thoracic Surgeons score (STS); and D, a risk model specific to aortic valve replacement based on an Australasian population (Aus-AVR) score. The Journal of Thoracic and Cardiovascular Surgery 2015 149, 443-448DOI: (10.1016/j.jtcvs.2014.04.032) Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions