Any patient who smokes one or more cigarettes per day will be considered an active smoker. The criteria for the diagnosis of COPD is a post-bronchodilator FEV1/FVC ratio of < 70% (absolute value).

Having low lung function as a middle-aged smoker without airway obstruction raised the likelihood for all-cause mortality, ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. Ten-year follow-up data from the COPDGene study show ...

Although the cause is unclear, spirometry measurements obtained at home had poor agreement with results obtained in the clinic, according to findings presented at the American Thoracic Society (ATS) ...

More than half of children who were born very early -- at 25 weeks or less (normal gestation is around 40 weeks) -- have abnormal lung function and are twice as likely as their full-term peers to have ...

ATS 2024, San Diego – Equations that don’t use racially and ethnically adjusted spirometry results to help determine eligibility for chronic obstructive pulmonary disease (COPD) clinical trials may ...