All patients were ranked in New York Heart Association class 2 or better.
按照纽约心脏病协会分级所有的患者被分级为2级或更好。
Primary efficacy measures were the 6-minute walking distance (6mwd) test, change in New York Heart Association functional class and several standard dyspnoea rating scales.
主要有效评估是6分钟步行距离(6mwd)测试，纽约心脏协会功能级别改变以及几种标准呼吸困难等级评分。
The primary end point was a composite of death, myocardial reinfarction, or New York Heart Association (NYHA) class IV heart failure.
主要结果为对死亡，心肌梗死再复发或者纽约心脏协会（NYHA）分级的IV级心脏衰竭的综合评价。
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