A22. IMAGING AND MOLECULAR BIOMARKERS IN COPD

Development of a 20 Single Nucleotide Polymorphism Multiplex Assay for Genotyping Alpha-1 Antitrypsin and Cohort Study with Alpha-1 Antitrypsin Deficiency Samples from Biobank

Pub Date : 2022-05-01 DOI: 10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a1090 Y. Wang, I. Machado, Z. Stewart, R. Harbeck, C. Coeshott, R. Sandhaus

Comparison of Feature Selection Methods and Machine Learning Classifiers with CT Radiomics-Based Features for Predicting Chronic Obstructive Pulmonary Disease

Pub Date : 2022-05-01 DOI: 10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a1079 K. Makimoto, R. Au, A. Moslemi, J. Hogg, J. Bourbeau, W. Tan, M. Kirby

Airway Mucus Plugs on CT Scan Are Associated with Worse Patient Reported Outcomes in Smokers with and Without COPD and No History of Exacerbations: A Cross Sectional Analysis of the COPDGene Study

Pub Date : 2022-05-01 DOI: 10.1164/ajrccm-conference.2022.205.1_meetingabstracts.a1076 V. Kim, W. Dolliver, J. Orejas, S. Grumley, A. Yen, S. Kligerman, P. Manapragada, K. Jacobs, M. Abozeed, M. Aziz, M. Zahid, S. Sonavane, N. Terry, A. Ahmed, H. Nath, R. San José Estépar, A. Díaz, Copdgene Investigators