Society of Thoracic Surgeons 2008 cardiac risk models predict in-hospital mortality of heart valve surgery in a Chinese population: A multicenter study

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Society of Thoracic Surgeons 2008 cardiac risk models predict in-hospital mortality of heart valve surgery in a Chinese population: A multicenter study Lv Wang, MD, Fang-Lin Lu, MD, PhD, Chong Wang, MD, PhD, Meng-Wei Tan, MD, PhD, Zhi-yun Xu, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 148, Issue 6, Pages 3036-3041 (December 2014) DOI: 10.1016/j.jtcvs.2013.09.081 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Receiver operating characteristic curve of STS 2008 models for valve surgery: all patients, 0.712; single valve surgery group, 0.734; multiple valve surgery group, 0.694. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 3036-3041DOI: (10.1016/j.jtcvs.2013.09.081) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Calibration plots of STS 2008 risk models: The calibration plots of STS 2008 for the single valve surgery group were closer to a straight line that exceeds 45° than calibration plots for all patients and the multiple valve group. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 3036-3041DOI: (10.1016/j.jtcvs.2013.09.081) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Clinical performance of STS 2008 models for patient subgroups according to mortality risk. CI, Confidence interval; STS, Society of Thoracic Surgeons. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 3036-3041DOI: (10.1016/j.jtcvs.2013.09.081) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions