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Different Pattern of Chronic Obstructive Pulmonary Disease Assessment Test Score between Chronic Bronchitis and Non-chronic Bronchitis Patients

Tuberculosis and Respiratory Diseases 2018년 81권 3호 p.228 ~ 232
 ( Yoo Sang-Hoon ) - Catholic University College of Medicine Daejeon St. Mary’s Hospital Department of Internal Medicine

 ( Lee Jae-Ha ) - Inje University College of Medicine Inje University Haeundae Paik Hospital Department of Internal Medicine
 ( Yoo Kwang-Ha ) - Konkuk University School of Medicine Department of Internal Medicine
 ( Jung Ki-Suck ) - Hallym University College of Medicine Sacred Heart Hospital Department of Internal Medicine
 ( Rhee Chin-Kook ) - Catholic University College of Medicine Seoul St Mary’s Hospital Department of Internal Medicine

Abstract

Background: Chronic bronchitis (CB) is an important phenotype in chronic obstructive pulmonary disease (COPD). The purpose of this study is to evaluate different pattern of COPD assessment test (CAT) score between CB and non-CB patients.

Methods: Patients were recruited from 45 centers in Korea, as part of the Korean COPD Subgroup Study cohort. CB was defined when sputum continued for at least 3 months.

Results: Total 958 patients with COPD were eligible for analysis. Among enrolled patients, 328 (34.2%) were compatible with CB. The CAT score was significantly higher in patients with CB than non-CB, and each component of CAT score showed a similar result. CB was significantly associated with CAT score when adjusted with age, sex, modified Medical Research Council, and post-bronchodilator forced expiratory volume in 1 second. Each component of CAT score between patients with CB and non-CB showed different pattern according to Global Initiative for Chronic Obstructive Lung Disease grade.

Conclusion: CAT score is significantly higher in patients with CB than non-CB. Each component of CAT score was significantly different between two groups.

키워드

Pulmonary Disease, Chronic Obstructive; Bronchitis, Chronic; Quality of Life
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