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Carr et al. Vessel Plus 2020;4:12 I http://dx.doi.org/10.20517/2574-1209.2020.01 Page 5 of 21

52% 52% 39% 35% 35% 30% 30% 30% 22% 22% 22% 22% 22%
% 17% 17% 17% 17% 13% 13% 13% 13% 9% 9% 9% 9% 9% 9% 9% 9% 9% 4% 4% 4% 4% 4% 4% 4% 4%

n = 23 12 12 9 8 8 7 7 7 5 5 5 5 5 4 4 4 4 3 3 3 3 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1

Long-term models

Variable Left ventricular function Comb. arterial disease Peripheral arterial disease Comb. heart failure variables Comb. CHF or NYHA Congestive heart failure Comb. graft variables Postoperative variables Body size measurements Comb. vessel disease Comb. any MI variable Hypercholesterolemia Intraoperative variables Ventricular wall motion Number of diseased vessels Diffuse/severe disease

Age Diabetes Renal failure Lung disease Neurologic disease Type of graft(s) Smoking status Gender Urgency Left main disease Repeat operation NYHA class History of MI Valve disease Hypertension Comb. HTN or BP Atrial arrhythmia Calcified aorta Angina Active MI Number of grafts Race or ethnicity

86% 64% 46% 45% 45% 44% 44% 30% 20% 20% 20%
% 59% 57% 55% 52% 51% 37% 32% 32% 29% 28% 23% 23% 22% 22% 18% 17% 16% 16% 15% 14% 14% 13% 12% 11% 11% 9% 9%

n = 133 115 85 78 76 73 69 68 61 60 60 59 58 49 43 43 40 39 37 31 30 29 29 27 26 26 24 23 21 21 20 19 18 17 16 15 14 12 12

Short-term models

Variable Left ventricular function Comb. heart failure variables Comb. arterial disease Comb. any MI variable Comb. CHF or NYHA Comb. critical state Peripheral arterial disease Comb. vessel disease Neurologic disease Congestive heart failure Body size measurements Cardiogenic shock Number of diseased vessels Comb. ECG or arrhythmia variables Concurrent procedure Preoperative IABP use Comb. PCI variables Pulmonary hypertension Non-

Age Urgency Gender Renal failure Repeat operation History of MI Lung disease Diabetes NYHA class Left main disease Angina Comb. HTN or BP Hypertension Any arrhythmia Valve disease

86% 54% 54% 49% 42% 40% 40% 40% 30%
% 67% 56% 53% 47% 47% 35% 33% 33% 31% 25% 23% 22% 21% 19% 19% 17% 17% 17% 16% 15% 15% 14% 13% 12% 12% 12% 11% 10% 10%

n = 156 134 104 88 84 84 83 76 74 73 65 63 62 62 54 52 51 49 47 39 36 34 33 30 29 27 26 26 25 24 24 22 20 19 19 18 17 15 15

Table 1. All data All models Variable Age Left ventricular function Renal failure Comb. heart failure variables Urgency Gender Comb. arterial disease Comb. CHF or NYHA Repeat operation Comb. any MI variable History of MI Comb. critical state Peripheral arterial disease Diabetes Lung disease Comb. vessel disease Neurologic disease Congestive heart failure Body size measurements Left main disease Cardiogenic shock NYHA class Number