Characteristics and Prevalence of Early Chronic Obstructive Pulmonary Disease in a Middle-Aged Population: Results from a Nationwide-Representative Sample.

Int J Chron Obstruct Pulmon Dis · 2021 · PMC8594899 · PMID 34803377

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a positive trendno p-value reported

Urban residence, chronic sputum production, and hypertriglyceridemia were positively associated with early COPD; however, only a positive trend was observed.

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