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Reliability and validity of the St George's Respiratory Questionnaire for asthma.

Authors
 Bae, Y-J. ; Kim, Y. S. ; Kim, T-B. ; Moon, H-B. ; Kim, S-G. ; Choi, B. W. ; Cho, S-H. ; Jang, A-S. ; Cho, Y. S. ; Chang, Y-S. ; Lee, Y. S. ; Park, C-S. 
Citation
 International Journal of Tuberculosis and Lung Disease, Vol.15(7) : 966~971, 2011 
Journal Title
 International Journal of Tuberculosis and Lung Disease 
ISSN
 1027-3719 
Issue Date
2011
Abstract
BACKGROUND: The St George's Respiratory Questionnaire (SGRQ) is a self-administered questionnaire that has been used to evaluate the health-related quality of life of patients with chronic respiratory diseases. OBJECTIVE: To assess the validity and reliability of the SGRQ for a large population with asthma. DESIGN: We used the previously developed Korean version of the SGRQ (SGRQ-K) to assess 676 asthma patients enrolled from the Cohort for Reality and Evolution of Adult Asthma in Korea study. Cronbach's α was used to assess test reliability and Pearson's correlation coefficient was used to assess the correlation between SGRQ scores and various clinical factors. RESULTS: The total SGRQ-K score had acceptable reliability (Cronbach's α = 0.92). The total SGRQ-K score was significantly correlated with symptom duration (r = 0.157, P < 0.001), pulmonary function (% FEV(1) of predicted r = -0.314, P < 0.001; % FVC of predicted r = -0.224, P < 0.001; FEV(1)/FVC r = -0.224, P < 0.001), asthma severity (r = 0.278, P < 0.001) and history of asthma exacerbation. CONCLUSION: With the exception of the SGRQ-K symptoms, SGRQ-K is a reliable and valid test for evaluation of the quality of life of patients with asthma. Scores were well correlated with duration of symptoms, lung function and previous history of asthma exacerbation.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/95013
DOI
10.5588/ijtld.10.0603
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
Yonsei Authors
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Link
 http://www.ingentaconnect.com/content/iuatld/ijtld/2011/00000015/00000007/art00019
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