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第一秒用力呼气容积(FEV1)是评价慢性阻塞性肺疾病(COPD)病情及预后常用的指标。Celli等[1]提出了BODE评分系统,采用4种因素,即体质指数(body-mass index,B)、气流
The first second forced expiratory volume (FEV1) is a commonly used indicator of disease and prognosis in patients with chronic obstructive pulmonary disease (COPD). Celli et al. [1] proposed a BODE scoring system using four factors, namely body mass index (B), airflow