Table 4.

Combining accuracy and precision in a single measurement, the Product of R ² indicating that Model F offers the best imaging protocol (basal and repeat, mid-ventricular level and repeat) for optimal accuracy and precision

	Basal	Repeat	Mid	Repeat	Volunteer interscan R 2	ECV vs histology R 2	Product of R 2
Model A			x		0.759	0.356	0.27
Model B	x				0.722	0.773	0.56
Model C			x	x	0.808	0.486	0.39
Model D	x	x			0.637	0.809	0.52
Model E	x		x		0.623	0.715	0.45
Model F	x	x	x	x	0.778	0.829	0.65

ECV extracellular volume