Clinical significance of chronic bronchitis in different racial groups.

ABSTRACT:

Backgrounds

Limited data are available on racial differences in the clinical features of chronic bronchitis (CB) patients with chronic obstructive pulmonary disease (COPD). In this study, we aimed to compare clinical features among CB patients of different races. We also analyzed the clinical significance of CB, defined classically and based on the COPD Assessment Test (CAT), to validate the CAT-based definition.

Methods

We analyzed patient data extracted from the Korean COPD Subgroup Study (KOCOSS) cohort (2012-2021) and US Genetic Epidemiology of COPD (COPDGene) study (2008-2011). We compared clinical characteristics among CB and non-CB patients of three different races using two CB definitions.

Results

In this study, 3,462 patients were non-Hispanic white (NHW), 1,

SUBMITTER: Choi JY 

PROVIDER: S-EPMC11184853 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature