This study examined total and cause-specific mortality associated with asthma, COPD, and asthma-COPD overlap over an 18-year follow-up period in a cohort of 5922 Finnish adults aged ≥30 years. As part of the study, lung function (FEV1, FVC, FEV1/FVC ratio) was measured using a Vitalograph wedge bellows spirometer.
- Author Mattila T et al.
- Publication Respiratory Medicine
- Year 2022
- Device Type Wedge Bellows