Fig. 5

Graphs demonstrating cumulative event-free survival according to left atrial longitudinal strains in HCM patients with LA diameter > 41.0 mm (a–c) and LA diameter ≤ 41.0 mm (d–f). a, d grouped according to the cut-off value of εs; B and E, grouped according to the cut-off value of εe; and c, d grouped according to the cut-off value of εa. LA left atrial, εs reservoir strain, εe conduit strain, εa active strain