High eosinophil counts predict decline in FEV1: results from the CanCOLD study

Conclusion
A blood eosinophil count of ≥300 cells·µL–1 is an independent risk factor for accelerated lung function decline in older adults and is related to undetected structural airway abnormalities.

Source: European Respiratory Journal - May 27, 2021 Category: Respiratory Medicine Authors: Tan, W. C., Bourbeau, J., Nadeau, G., Wang, W., Barnes, N., Landis, S. H., Kirby, M., Hogg, J. C., Sin, D. D., on behalf of the CanCOLD Collaborative Research Group Tags: COPD and smoking Original Articles: COPD Source Type: research