Quantitative CT features for COPD classification and GOLD spirometric severity assessment: a single-center model-development study
Chronic obstructive pulmonary disease (COPD) is diagnosed primarily by post-bronchodilator spirometry, but quantitative CT can characterize emphysema and visible-airway structural abnormalities that are not fully captured by airflow measurements alone. Because CT-derived emphysema and airway features have been exte...