这一发现与患者的左心室射血分数——衡量左心室功能的一项参数——无关。
This finding applied to patients irrespective of their left ventricular ejection fraction, a common measure of ventricular function.
试验设计、设定与病人多中心随机对照试验，2331名医学上稳定的门诊心衰患者，左心室射血分数小于等于35%。
Design, Setting, and patients Multicenter, randomized controlled trial among 2331 medically stable outpatients with heart failure with left ventricular ejection fraction of 35% or less.
排除患有不稳定心绞痛、近期发生心肌梗塞或急性心力衰竭的患者以及左心室射血分数<40%的患者。
Patients with unstable angina, a recent history of MI or acute heart failure, or an LVEF <40% were excluded.
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