Fig. 5From: Left atrial structure and functional quantitation using cardiovascular magnetic resonance and multimodality tissue tracking: validation and reproducibility assessment a–d Linear regressions and Bland-Altman plots analysis. The Pearson’s correlation coefficient (r) and SD = Standard deviation. MTT: Biplane area-length vs. Simpson’s (a - b); MTT: LA ejection fraction derived Biplane area-length vs. LA ejection fraction derived Simpson’s (c - d)Back to article page