| Validation of the Korean Version of Chronic Obstructive Pulmonary Disease Assessment Test (CAT) and Dyspnea-12 Questionnaire. |
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Seohyun Lee, Jae Seung Lee, Jin Woo Song, Chang Min Choi, Tae Sun Shim, Tae Bum Kim, You Sook Cho, Hee Bom Moon, Sang Do Lee, Yeon Mok Oh |
1Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. ymoh55@amc.seoul.kr, sdlee@amc.seoul.kr
3Asthma Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. |
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| Abstract |
BACKGROUND
The object of this study was to assess the validity and reliability of the Korean versions of chronic obstructive pulmonary disease assessment test (CAT) and Dyspnea-12 Questionnaire for patients with chronic pulmonary obstructive disease (COPD). METHODS: For the 127 COPD patients, we obtained the Korean versions of the 3 questionnaires being tested: St George's Respiratory Questionnaire (SGRQ), CAT, and Dyspnea-12 with spirometric measurements. To assess the validity of CAT and Dyspnea-12, their correlation with SGRQ was evaluated. To assess the reliability of CAT and Dyspnea-12, Cronbach's alpha coefficient was evaluated. RESULTS: The mean age of patient participants was 68.6+/-7.5 years; 97.6% were male. The SGRQ score was correlated with the scores of the Korean version of CAT (r=0.71, p<0.0001) and Dyspnea-12 (r=0.73, p<0.0001). The Cronbach's alpha coefficient for the CAT and Dyspnea-12 were 0.77 and 0.78, respectively. CONCLUSION: The Korean versions of CAT and Dyspnea-12 were shown to be valid and reliable for the Korean COPD patients. |
| Key Words:
Pulmonary Disease, Chronic Obstructive, Validation Studies, Questionnaires, CAT, Dyspnea-12 |
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