From: Preoperative ejection fraction as a predictor of survival after coronary artery bypass grafting: comparison with a matched general population
1-year
5-year
10-year
Group 1 (EF > 50%)
95.1 ± 0.2
87.9 ± 0.4
78.6 ± 0.9
Group 2 (EF = 35-50%)
90.0 ± 0.8
78.9 ± 0.12
50.7 ± 6.8
Group 3 (EF < 35%)
79.0 ± 2.2
64.8 ± 2.9
44.7 ± 6.5