The use of dedicated long-axis views focused on the left atrium improves the accuracy of left atrial volumes and emptying fraction measured by cardiovascular magnetic resonance

Table 3 Intra- and inter-observer reproducibility for left atrial volumes and emptying fraction from LA-focused cine images

	ICC Intra-Observer (CI 95%)	ICC Inter-Observer (CI 95%)	Pearson (r) Intra-Observer	Pearson (r) Inter-Observer
LAVmax (ml)	0.99 (0.98–0.99)	0.99 (0.97–0.99)	0.99	0.98
LAVmin (ml)	0.99 (0.98–0.99)	0.99 (0.98–0.99)	0.99	0.98
LAEF (%)	0.97 (0.91–0.98)	0.97 (0.92–0.99)	0.93	0.94

CI confidence interval, LAEF left atrial emptying fraction, ICC intraclass correlation coefficient, LAEF left atrial emptying fraction, LAVmax maximum left atrial volume, LAVmin minimum left atrial volume

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