Demographic & Clinical Characteristics of the Screened Population at Enrollment.
收藏Figshare2015-12-02 更新2026-04-29 收录
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*MMRC dyspnea scale: 1 = dyspnea with mild exertion (hurrying on level ground or walking up a slight hill; 2 = dyspnea on level ground walk slower than people of the same age due to dyspnea, or have to stop for breath when walking at usual pace; 3 = dyspnea after walking about 100 yards or after a few minutes on level ground; 4 = too breathless to leave the house or breathless when dressing.
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2015-12-02
