Persistent High Burden of Heart Failure Across the Ejection Fraction Spectrum in a Nationwide Setting.

Differences in Patient Characteristics and Outcomes in HF Versus Non‐HF and Their Impact on the Health Care System Previous studies suggested that ~80% of patients with HF have ≥3 coexisting comorbidities, and there is an increasing trend over time in the overall amount of cardiovascular and noncardiovascular comorbidities. 1 , 11 By comparing patients with versus without HF, we showed that the comorbidity burden is much higher in the presence of HF.

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