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Kaplan–Meier survival curves. Event-free survival according to predefined cutoff values for left vertricular global longitudinal strain (GLS), circumferential strain (GCS), and radial strain (GRS) as well as left atrial reservoir (Es), conduit (Ee), and boosterpump (Ea) strain measurements with regard to the occurrence of a major adverse clinical event (MACE). A log-rank test was performed to compare the classified subgroups.
