Fig. 1.

Comparison of changes in left ventricular trabeculation indices.

Boxplots (left) and density curves (right) indicate trabeculation measurements at baseline (pink) and post marathon (blue). Trabeculation indices measured were Chin X/Y ratio (A & B), Jenni NC/C ratio (C & D), Petersen NC/C ratio (E & F), Jacquier percentage trabeculated mass (G & H), Captur maximal apical (I & J) and mean global fractal dimensions (K & L). Red lines mark the published diagnostic thresholds for suspected cases of left ventricular non-compaction. Included in the boxplots is the mean difference with 95% confidence intervals. CI, confidence interval; FD, fractal dimension; LV, left ventricle; Max, maximum. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)