Clinical, Echocardiographic, and Therapeutic Characteristics of Heart Failure in Patients with Preserved, Mid-Range, and Reduced Ejection Fraction: Future Directions.

Int J Gen Med · 2021 · PMC7896794 · PMID 33623418

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did not reach statistical significanceno p-value reported

Regarding clinical co-morbidities, higher percentages of patients in the HFrEF and HFmrEF categories had underlying ischemic heart disease (IHD) (compared to HFpEF), however, such trend did not reach statistical significance.

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