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Longitudinal decline in lung function: a community-based cohort study in Korea.


ABSTRACT: Progressive decline in lung function is the hallmark of chronic obstructive pulmonary disease (COPD). We aimed to assess the rate of decline in forced expiratory volume in 1?second (FEV1) in patients from a community cohort database in Korea. 5,865 subjects aged 40-69 years from the Ansung-Ansan cohort database I-III (2001-2006) were included in this study. We assessed the annual rate of decline in FEV1 over time in relation to smoking status, patient sex, and presence or absence of pre-bronchodilator airflow limitation using a generalized additive mixed model. The mean follow-up duration was 3.8 years. The annual mean decline in FEV1 in the entire cohort was significantly more rapid for men than women (31.3?mL vs 27.0?mL, P?=?0.003). Among men without pre-bronchodilator airflow limitation, annual mean declines in FEV1 were 31.5, 35.5, and 40.1?mL for never smokers, former smokers (P?=?0.09 vs. never smokers), and current smokers (P?

SUBMITTER: Leem AY 

PROVIDER: S-EPMC6754397 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Longitudinal decline in lung function: a community-based cohort study in Korea.

Leem Ah Young AY   Park Boram B   Kim Young Sam YS   Chang Joon J   Won Sungho S   Jung Ji Ye JY  

Scientific reports 20190920 1


Progressive decline in lung function is the hallmark of chronic obstructive pulmonary disease (COPD). We aimed to assess the rate of decline in forced expiratory volume in 1 second (FEV<sub>1</sub>) in patients from a community cohort database in Korea. 5,865 subjects aged 40-69 years from the Ansung-Ansan cohort database I-III (2001-2006) were included in this study. We assessed the annual rate of decline in FEV<sub>1</sub> over time in relation to smoking status, patient sex, and presence or a  ...[more]

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