Article
Identification of subtypes in subjects with mild-to-moderate airflow limitation and its clinical and socioeconomic implications.
International journal of chronic obstructive pulmonary disease - 1 Jan 2017
Lee Jin Hwa, Rhee Chin Kook, Kim Kyungjoo, Kim Jee-Ae, Kim Sang Hyun, Yoo Kwang Ha, Kim Woo Jin, Park Yong Bum, Park Hye Yun, Jung Ki-Suck
Abstract excerpt
PURPOSE: The purpose of this study was to identify subtypes in patients with mild-to-moderate airflow limitation and to appreciate their clinical and socioeconomic implications. METHODS: Subjects who were aged ≥20 years and had forced expiratory volume in 1 second (FEV1) ≥60% predicted and FEV1/forced vital capacity <0.7 were selected from the fourth Korea National Health and Nutrition Examination Survey...
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