Fig. 4

Stacked bar charts of combined averaged image quality scores by the two independent observers. All slices in diastole and systole per subject are averaged where colours depict an image quality score of excellent (green), good (light blue), adequate (light purple), suboptimal (dark purple), or non-diagnostic (red) in each grading criteria based on (a) endocardial edge definition and (b) presence of artifacts. *p < 0.05, **p < 0.01, ***p < 0.001