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

The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
Y-J BaeCOREA Study Group

Abstract

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. To assess the validity and reliability of the SGRQ for a large population with asthma. 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. 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. 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 prev...Continue Reading

Citations

Jul 24, 2002·Archives of Pharmacal Research·Jun Young LeeSang Won Choi
Nov 19, 2013·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Muirne C S PaapJob van der Palen
Jan 25, 2017·Respiratory Research·Elina M S MäkikyröJouni J K Jaakkola
Apr 14, 2018·Journal of Cardiopulmonary Rehabilitation and Prevention·Neslihan DuruturkMustafa Ilgaz Doğrul
Sep 10, 2020·Expert Review of Pharmacoeconomics & Outcomes Research·Boudewijn J H DierickJob F M van Boven

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