1. Preoperative prediction of long-term survival after coronary artery bypass grafting in patients with low left ventricular ejection fraction 
Joseph J. DeRose, MD, Ioannis K. Toumpoulis, MD, Sandhya K. Balaram, MD, PhD, John P. Ioannidis, MD, Scott Belsley, MD, Robert C. Ashton, MD, Daniel G. Swistel, MD, Constantine E. Anagnostopoulos, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 129, Issue 2, Pages (February 2005)
DOI: /j.jtcvs
Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Kaplan-Meier curves of patients with low EF (≤25%) according to each independent predictor of long-term mortality. A, Age. B, PVD. C, Emergency operation. D, COPD. E, Past CHF.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Kaplan-Meier curves of quartiles according to constructed HAVOC score of all patients with low EF (≤25%) undergoing CABG (n = 544).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Kaplan-Meier curves of quartiles according to constructed score S (split-sample approach) in training set of 360 patients (A) and in validation set of 184 patients (B).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions

5. Figure 4
Algorithm for ischemic cardiomyopathy treatment according to developed HAVOC score. Patients with HAVOC scores between 3.60 and 4.05 (quartile above median of our data set) may be considered for either revascularization or transplantation candidacy.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2005 The American Association for Thoracic Surgery Terms and Conditions