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Difference of cumulative incidence of HFpEF and HFrEF among cohort studies. With an increase in age of study subjects, incidence of HFpEF enhances. (Figure was produced based on data of reference 3.)
HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction; PREVEND study, Prevention of Renal and Vascular Endstage Disease study; y.o., years old.
