Global longitudinal strain is a more reproducible measure of left ventricular function than ejection fraction regardless of echocardiographic training

Table 3 Image quality for analysis of LVEF

Echocardiographer	Good	Fair	Poor
Trainee	38 (80.9)	4 (8.5)	5 (10.6)
Expert	38 (80.9)	6 (12.8)	3 (6,4)

Categorical data are presented in numbers (%). LVEF = left ventricular ejection fraction. Good = > 75% of visible endocardium. Fair = 60–74% of visible endocardium. Poor = less than 60% of visible endocardium

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