Table 1.

Performance evaluation of the velocity field.

	ERR(%)	Proximal end of LAD	Distal end of LAD	LCX	RA	Graft	Aorta and superior aortic branch artery
Preoperative	NMAE	2.62 ± 1.47	2.53 ± 1.02	2.33 ± 1.25	2.91 ± 1.64		6.02 ± 2.97
	MRE	4.12 ± 2.46	3.97 ± 2.77	4.61 ± 2.13	4.35 ± 1.87		9.77 ± 3.86
Postoperative	NMAE	2.60 ± 1.43	2.64 ± 1.25	2.33 ± 1.25	2.91 ± 1.64	1.12 ± 0.57	6.01 ± 2.96
	MRE	4.11 ± 2.42	4.21 ± 2.96	4.61 ± 2.13	4.35 ± 1.87	2.01 ± 1.25	9.74 ± 3.83