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Paired LVEF/LVESV at baseline and during follow‐up. A and B, LVEF (A) and LVESV (B) of all patients in groups 1 and 2 at baseline and during follow‐up. LVEF (C) and LVESV (D) of patients with baseline ejection fraction ≤40% in groups 1 and 2 at baseline and during follow‐up. LVEF indicates left ventricular ejection fraction; LVESV, left ventricular end‐systolic volume.
