AF	Atrial fibrillation
ACP	Antegrade cardioplegia
ACX	Aortic cross-clamp
CPB	Cardiopulmonary bypass
CPSS	Computerized Patient Support System
CABG	Coronary artery bypass grafting
EVH	Endoscopic vessel harvest
LSV	Long saphenous vein
OVH	Open vessel harvest
IQR	Interquartile range
IABP	Intra-aortic balloon pump
MACE	Major adverse cardiovascular events
SD	Standard deviation
SPSS	Statistical Package for the Social Sciences