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Kaplan–Meier curves according to six risk groups of Meta‐Analysis Global Group in Chronic Heart Failure (MAGGIC) score. (A) Kaplan–Meier curve in total cohort. (B) Kaplan–Meier curve in patients under medical treatment. (C) Kaplan–Meier curve in patients with left ventricular ejection fraction ≥ 50%. (D) Kaplan–Meier curve in patients with left ventricular ejection fraction < 50%.
