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Impaired lung function is associated with a higher risk of developing lung cancer. However, lung function is a dynamic variable and must be evaluated longitudinally. This study reports on the relationship between accelerated lung function decline and development of lung cancer.

Is accelerated lung function decline associated with the development of lung cancer?

A longitudinal, observational study was performed by using epidemiologic data from two population-based studies comprising subjects assessed biannually from 2001 to 2019 in South Korea. Eligible subjects were between 40 and 69 years of age and were followed up by using spirometry. Spirometry measurements were made at each follow-up. Patients with a decline in FEV₁ > 60 mL per year were defined as rapid FEV₁ decliners. The relationship between lung cancer and rapid FEV₁ decline …