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Test\u2013retest reliability (intraclass correlation coefficients) was 0.77, 0.77, 0.69 and 0.66 for SGRQ total, activity, impact and symptoms scores, respectively. Construct validity of SGRQ total and domain scores was supported by weak to moderate cross-sectional correlations with the Medical Research Council dyspnoea scale (0.32\u20130.55), 6-min walk test distance (\u22120.25\u2013\u200a\u22120.34), percentage predicted forced vital capacity (\u22120.11\u2013\u200a\u22120.15) and measures of gas exchange (\u22120.26\u20130.03). There was some evidence that the SGRQ total score was sensitive to detecting change.<\/jats:p><jats:p>The reliability, construct validity and responsiveness of the SGRQ in patients with IPF suggest that this is an acceptable measure of HRQoL in patients with IPF.<\/jats:p>","DOI":"10.1183\/13993003.01788-2016","type":"journal-article","created":{"date-parts":[[2016,12,23]],"date-time":"2016-12-23T03:22:38Z","timestamp":1482463358000},"page":"1601788","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":46,"title":["Psychometric properties of the St George's Respiratory Questionnaire in patients with idiopathic pulmonary fibrosis"],"prefix":"10.1183","volume":"49","author":[{"given":"Jeffrey J.","family":"Swigris","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dirk","family":"Esser","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hilary","family":"Wilson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Craig S.","family":"Conoscenti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hendrik","family":"Schmidt","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wibke","family":"Stansen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nancy Kline","family":"Leidy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kevin K.","family":"Brown","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"81","published-online":{"date-parts":[[2016,12,19]]},"reference":[{"key":"2024102100170202000_49.1.1601788.1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.2009-040GL"},{"key":"2024102100170202000_49.1.1601788.2","doi-asserted-by":"publisher","DOI":"10.1183\/09059180.00002512"},{"key":"2024102100170202000_49.1.1601788.3","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201006-0894CI"},{"key":"2024102100170202000_49.1.1601788.4","doi-asserted-by":"publisher","DOI":"10.1136\/thx.2004.035220"},{"key":"2024102100170202000_49.1.1601788.5","doi-asserted-by":"publisher","DOI":"10.1186\/1477-7525-3-61"},{"key":"2024102100170202000_49.1.1601788.6","doi-asserted-by":"crossref","first-page":"474","DOI":"10.1097\/MCP.0b013e328363f479","article-title":"Health-related quality of life in idiopathic pulmonary fibrosis: where are we now?","volume":"19","author":"Belkin","year":"2013","journal-title":"Curr Opin Pulm Med"},{"key":"2024102100170202000_49.1.1601788.7","doi-asserted-by":"publisher","DOI":"10.1016\/S0954-6111(06)80166-6"},{"key":"2024102100170202000_49.1.1601788.8","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1186\/s12955-014-0124-1","article-title":"The psychometric properties of the St George's Respiratory Questionnaire (SGRQ) in patients with idiopathic pulmonary fibrosis: a literature review","volume":"12","author":"Swigris","year":"2014","journal-title":"Health Qual Life Outcomes"},{"key":"2024102100170202000_49.1.1601788.9","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1103690"},{"key":"2024102100170202000_49.1.1601788.10","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201007-1179OC"},{"key":"2024102100170202000_49.1.1601788.11","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.166.1.at1102"},{"key":"2024102100170202000_49.1.1601788.12","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.2.5147.257"},{"key":"2024102100170202000_49.1.1601788.13","unstructured":"Nunnally JC , Bernstein IH . 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