Fig. 3: The reduction in longitudinal strain was more prominent in the subepicardial layer than in the subendocardial layer of the myocardium (***P < 0.001 vs. control).

GLSs global longitudinal strains, Endo subendocardium, Epi subepicardium, Epi/Endo the ratio of longitudinal strains of the subepicardial layer to longitudinal strains of the subendocardial layer.