Volume 31, Issue 144 (January & February 2023)                   J Adv Med Biomed Res 2023, 31(144): 93-99 | Back to browse issues page

XML Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:
Mehrabi S, Salehi A, Molavi Vardanjani H, Kooshki A, Mehrabi F. Validity and Reliability of the Persian Version of the St. George Respiratory Questionnaire for COPD. J Adv Med Biomed Res 2023; 31 (144) :93-99
URL: http://journal.zums.ac.ir/article-1-6669-en.html
Validity and Reliability of the Persian Version of the St. George Respiratory Questionnaire for COPD
Samrad Mehrabi1 , Alireza Salehi *2 , Hossein Molavi Vardanjani3 , Ali Kooshki1 , Fereshteh Mehrabi4
1- Dept. of Internal Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
2- Dept. of MPH, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran , salehialireza45@yahoo.com
3- Dept. of MPH, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
4- School of Public Health, University of Montreal, Montreal, Canada
Abstract:   (11416 Views)

Background and Objective: Chronic obstructive pulmonary disease (COPD) is a common disease that causes 6% of deaths, 90% of which occur in low- and middle-income countries. Improving these patients' quality of life (QOL) is one of the primary treatment goals. The St. George's Respiratory Questionnaire (SGRQ) is used to measure the health status of patients with respiratory problems. This research aimed to assess the health status of patients with COPD after validating the Persian version of this questionnaire.
Materials and Methods: The study was performed from Feb to Oct 2016 in Shiraz, Iran. First, the Persian version of the questionnaire was validated using a back-translation technique by two translators, supervised by two researchers, and finally approved by two pulmonologists. The test-retest method was used to investigate the questionnaire's reliability. The questionnaire was used to assess the health status of 158 COPD patients with FEV1/FVC ratio≤ 0.7 or FEV1<80%, without exacerbation, cardiac disease, or recent hospitalization.
Results: The reliabilities of the first part (questions 1-7) and second part (questions 8-14) of the questionnaire was 0.64 and 0.90, respectively. The current health was good, fair, poor, and very poor in 7.6%, 22.2%, 44.9%, 22.8%, and 2.5% of the patients, respectively. The mean± standard deviation (SD) scores calculated for symptoms, activity, and impact were 54.216±23.725, 41.477±24.996, and 37.482±26.390, and the total score was 133.176±69.284.
Conclusion: The Persian version of the SGRQ-C was valid and reliable. The patients with COPD at our center had a good health status.

Keywords: Pulmonary Disease, Chronic Obstructive, Quality of Life, St. George Respiratory Questionnaire
Full-Text [PDF 431 kb]   (10319 Downloads) |   |   Full-Text (HTML)  (879 Views)  

✅ The Persian version of the SGRQ-C was valid and reliable. The patients with COPD at our center had a good health status.


Type of Study: Original Research Article | Subject: Clinical Medicine
Received: 2021/08/17 | Accepted: 2022/07/6 | Published: 2022/12/12
References
1. Vestbo J, Hurd SS, Agustí AG, et al. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summary. Am J Respir Crit Care Med. 2013;187(4):347-65. [DOI:10.1164/rccm.201204-0596PP] [PMID]
2. López‐Campos JL, Tan W, Soriano JB. Global burden of COPD. Respirol. 2016;21(1):14-23. [DOI:10.1111/resp.12660] [PMID]
3. Lozano R, Naghavi M, Foreman K, et al. Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012;380(9859):2095-128. [DOI:10.1016/S0140-6736(12)61728-0]
4. Duthey B. Priority medicines for europe and the world: "a public health approach to innovation". WHO background paper.
5. Xu W, Collet JP, Shapiro S, et al. Negative impacts of unreported COPD exacerbations on health-related quality of life at 1 year. Europ Respirat J. 2010;35(5):1022-30. [DOI:10.1183/09031936.00079409] [PMID]
6. Jones P, Brusselle G, Dal Negro R, et al. Health-related quality of life in patients by COPD severity within primary care in Europe. Respir Med. 2011;105(1):57-66. [DOI:10.1016/j.rmed.2010.09.004] [PMID]
7. Ridolo E, Pellicelli I, Gritti B, Incorvaia C. Patient-reported outcomes and considerations in the management of COPD: focus on indacaterol/glycopyrronium bromide. Patient Prefer Adherence. 2019;13:145-50. [DOI:10.2147/PPA.S166704] [PMID] [PMCID]
8. Jones PW, Rennard S, Tabberer M, Riley JH, Vahdati-Bolouri M, Barnes NC. Interpreting patient-reported outcomes from clinical trials in COPD: a discussion. Int J Chron Obstruct Pulmon Dis. 2016;11:3069-78. [DOI:10.2147/COPD.S117378] [PMID] [PMCID]
9. Price D, Ostrem A, Thomas M, Welte T. Dual bronchodilation in COPD: lung function and patient-reported outcomes - a review. Int J Chron Obstruct Pulmon Dis. 2017;12:141-68. [DOI:10.2147/COPD.S116719] [PMID] [PMCID]
10. Lin XJ, Lin IM, Fan SY. Methodological issues in measuring health-related quality of life. Tzu Chi Med J. 2013;25(1):8-12. [DOI:10.1016/j.tcmj.2012.09.002]
11. Jones PW, Quirk FH, Baveystock CM. The St George's Respiratory Questionnaire. Respir Med. 1991;85 Suppl B:25-31; discussion 3-7. [DOI:10.1016/S0954-6111(06)80166-6]
12. Ferrer M, Alonso J, Prieto L, et al. Validity and reliability of the St George's Respiratory Questionnaire after adaptation to a different language and culture: the Spanish example. Eur Respir J. 1996;9(6):1160-6. [DOI:10.1183/09031936.96.09061160] [PMID]
13. Engstrom C, Persson L, Larsson S, Sullivan M. Reliability and validity of a Swedish version of the St George's Respiratory Questionnaire. Europ Respir J. 1998;11(1):61-6. [DOI:10.1183/09031936.98.11010061] [PMID]
14. Bae Y, Kim Y, Park C, et al. Reliability and validity of the St George's Respiratory Questionnaire for asthma. Int J Tuberc Lung Dis. 2011;15(7):966-71. [DOI:10.5588/ijtld.10.0603] [PMID]
15. Wilson CB, Jones PW, O'leary CJ, Cole PJ, Wilson R. Validation of the St. George's Respiratory Questionnaire in bronchiectasis. American journal of respiratory and critical care medicine. 1997;156(2):536-41. [DOI:10.1164/ajrccm.156.2.9607083] [PMID]
16. Barr JT, Schumacher GE, Freeman S, LeMoine M, Bakst AW, Jones PW. American translation, modification, and validation of the St. George's Respiratory Questionnaire. Clin Ther. 2000;22(9):1121-45. [DOI:10.1016/S0149-2918(00)80089-2]
17. Fallah Tafti S, Cheraghvandi A, Marashian M, Emami H, Mokri B. Measurement of the validity and reliability of the persian translation of the saint george respiratory questionnaire for patients with chronic obstructive pulmonary disease. Open Respir Med J. 2009;3:107-11. [DOI:10.2174/1874306400903010107] [PMID] [PMCID]
18. Rezaei S, Karami Matin B, Hajizadeh M, Bazyar M, Akbari Sari A. Economic Burden of Smoking in Iran: A Prevalence-Based Annual Cost Approach. Asian Pac J Cancer Prev. 2017;18(10):2867-73.
19. Jones P, Forde Y. St George's Respiratory Questionnaire for COPD Patients (SGRQ-C) Manual 2008. Division of Cardiac and Vascular Science.: UK: St George's, University of London; 2008.
20. Ferrer M, Villasante C, Alonso J, Sobradillo V, Gabriel R, Vilagut G, et al. Interpretation of quality of life scores from the St George's Respiratory Questionnaire. Eur Respir J. 2002;19(3):405-13. [DOI:10.1183/09031936.02.00213202] [PMID]
21. Vogelmeier CF, Criner GJ, Martinez FJ, Anzueto A, Barnes PJ, Bourbeau J, et al. Global strategy for the diagnosis, management, and prevention of chronic obstructive lung disease 2017 report. GOLD executive summary. Am J Respir Crit Care Med. 2017;195(5):557-82. [DOI:10.1164/rccm.201701-0218PP] [PMID]
22. Kline P. Handbook of Psychological Testing: Routledge; 2013. [DOI:10.4324/9781315812274]
23. McKenzie JF, Wood ML, Kotecki JE, Clark JK, Brey RA. Establishing content validity: Using qualitative and quantitative steps. Am J Health Behav. 1999;23(4):311-18. [DOI:10.5993/AJHB.23.4.9]
24. Al-Shair K, Atherton GTW, Kennedy D, Powell G, Denning DW, Caress A. Validity and reliability of the St. George's Respiratory Questionnaire in assessing health status in patients with chronic pulmonary aspergillosis. Chest. 2013;144(2):623-31. [DOI:10.1378/chest.12-0014] [PMID]
25. Colin Ayre AJS. Critical Values for Lawshe's Content Validity Ratio: Revisiting the Original Methods of Calculation. Measure Evaluat Counsel Develop. 2014;47(1):79-86. [DOI:10.1177/0748175613513808]
26. Chan SL, Chan Yeung MM, Ooi GC, et al. Validation of the Hong Kong Chinese version of the St. George respiratory questionnaire in patients with bronchiectasis. Chest. 2002;122(6):2030-7. [DOI:10.1378/chest.122.6.2030] [PMID]
27. Meguro M, Barley EA, Spencer S, Jones PW. Development and Validation of an Improved, COPD-Specific Version of the St. George Respiratory Questionnaire. Chest. 2007;132(2):456-63. [DOI:10.1378/chest.06-0702] [PMID]
28. Miravitlles M, Naberan K, Cantoni J, Azpeitia A. Socioeconomic status and health-related quality of life of patients with chronic obstructive pulmonary disease. Respiration. 2011;82(5):402-8. [DOI:10.1159/000328766] [PMID]
29. Nakken N, Janssen DJA, van den Bogaart EHA, et al. Knowledge gaps in patients with COPD and their proxies. BMC Pulmon Med. 2017;17(1):136. [DOI:10.1186/s12890-017-0481-8] [PMID] [PMCID]
30. Tashkin DP, Celli B, Senn S, et al. A 4-year trial of tiotropium in chronic obstructive pulmonary disease. New Eng J Med. 2008;359(15):1543-54. [DOI:10.1056/NEJMoa0805800] [PMID]
31. Rutten-van Mölken M, Roos B, Van Noord J. An empirical comparison of the St George's Respiratory Questionnaire (SGRQ) and the Chronic Respiratory Disease Questionnaire (CRQ) in a clinical trial setting. Thorax. 1999;54(11):995-1003. [DOI:10.1136/thx.54.11.995] [PMID] [PMCID]
32. Mirdamadi M, Rahimi B, Safavi E, Abtahi H, Peiman S. Correlation of cardiopulmonary exercise testing parameters with quality of life in stable COPD patients. J Thoracic Disease. 2016;8(8):2138-45. [DOI:10.21037/jtd.2016.07.07] [PMID] [PMCID]
33. Jones PW. St. George's respiratory questionnaire: MCID. COPD: J Chronic Obstruct Pulmon Disease. 2005;2(1):75-9. [DOI:10.1081/COPD-200050513] [PMID]
34. Saadat MG. The socioeconomic status and quality of life in patients with chronic obstructive pulmonary disease. Tanaffos. 2007;6(2):38-45.
35. Ståhl E, Lindberg A, Jansson S-A, et al. Health-related quality of life is related to COPD disease severity. Health Qual Life Outcomes. 2005;3(1):56. [DOI:10.1186/1477-7525-3-56] [PMID] [PMCID]
Send email to the article author

Rights and permissions
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

© 2025 CC BY-NC 4.0 | Journal of Advances in Medical and Biomedical Research

Designed & Developed by : Yektaweb