β‐Blockers in Heart Failure: Benefits of β‐Blockers According to Varying Male Proportions of Study Patients

摘要

Background:In patients with heart failure (HF), b‐blockers reduce mortality. It's not known whether the beneficial effects of the b‐blockers were associated with the differing male proportions of study patients. It also remains to be clarified regarding the true beneficial effects of the 3 b‐blockers recommended by the guideline on mortality in the real world.