. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: JACC Cardiovasc Imaging. 2011 Jun;4(6):671–679. doi: 10.1016/j.jcmg.2011.02.015

Table 2.

Accuracy and Precision of Measures of Global and Regional LV Function

	Reference Standard	Correlation with Reference Standard	Intra- Observer Reliability	Inter- Observer Reliability
Estimate of Global EF
Echocardiography(29, 33) MRI (29, 34) Ventriculography (33) RNA (33)	MRI	r=0.41	4.4% mean diff.	6.1% mean diff.
	Echo	r=0.41	Not Available	Not Available
	Echo	r=0.85	4.3% mean diff.	6.7% mean diff.
	Echo	r=0.86	2.5% mean diff.	6.8% mean diff.
Estimate of Regional EF
Echocardiography (31) MRI (17) RNA (18)	Not Available		4.9% mean diff.	5.8% mean diff.
	Not Available		1.6% mean diff.	1.9% mean diff.
	Not Available		r=0.63–0.93	r=0.6–0.98
Estimate of Segmental Contraction
MRI-Radial Strain (30, 32)	Sonomicrometry	r=0.87	r=0.69–0.77	r=0.57–0.71
MRI-Radial Strain (30, 32)	Sonomicrometry	r=0.79	COR 4.6%	COR 7%

^†

Bland-Altman limits of agreement were not available for all modalities and are therefore not included.