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Analysis of comorbid factors that increase the COPD assessment test scores.

Abstract：

BACKGROUND:The chronic obstructive pulmonary disease (COPD) Assessment Test (CAT) is a concise health status measure for COPD. COPD patients have a variety of comorbidities, but little is known about their impact on quality of life. This study was designed to investigate comorbid factors that may contribute to high CAT scores. METHODS:An observational study at Keio University and affiliated hospitals enrolled 336 COPD patients and 67 non-COPD subjects. Health status was assessed by the CAT, the St. Georges Respiratory Questionnaire (SGRQ), and all components of the Medical Outcomes Study Short-Form 36-Item (SF-36) version 2, which is a generic measure of health. Comorbidities were identified based on patients' reports, physicians' records, and questionnaires, including the Frequency Scale for the Symptoms of Gastro-esophageal reflux disease (GERD) and the Hospital Anxiety and Depression Scale. Dual X-ray absorptiometry measurements of bone mineral density were performed. RESULTS:The CAT showed moderate-good correlations with the SGRQ and all components of the SF-36. The presence of GERD, depression, arrhythmia, and anxiety was significantly associated with a high CAT score in the COPD patients. CONCLUSIONS:Symptomatic COPD patients have a high prevalence of comorbidities. A high CAT score should alert the clinician to a higher likelihood of certain comorbidities such as GERD and depression, because these diseases may co-exist unrecognized. TRIAL REGISTRATION:Clinical trial registered with UMIN (UMIN000003470).

journal_name

Respir Res

journal_title

Respiratory research

authors

Miyazaki M,Nakamura H,Chubachi S,Sasaki M,Haraguchi M,Yoshida S,Tsuduki K,Shirahata T,Takahashi S,Minematsu N,Koh H,Nakamura M,Sakamaki F,Terashima T,Sayama K,Jones PW,Asano K,Betsuyaku T,Keio COPD Comorbidity Researc

doi

10.1186/1465-9921-15-13

subject

Has Abstract

pub_date

2014-02-06 00:00:00

pages

13

eissn

1465-9921

issn

1465-993X

pii

1465-9921-15-13

journal_volume

15

pub_type

临床试验,杂志文章

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