Psychometric properties of the St George’s Respiratory Questionnaire in patients with idiopathic pulmonary fibrosis: insights from the INPULSIS trials

• Published in: BMJ open respiratory research Vol. 5; no. 1; p. e000278
• Main Authors: Swigris, Jeffrey J, Wilson, Hilary, Esser, Dirk, Conoscenti, Craig S, Stansen, Wibke, Kline Leidy, Nancy, Brown, Kevin K
• Format: Journal Article
• Language: English
• Published: England BMJ Publishing Group LTD 01.01.2018; BMJ Publishing Group
• Subjects: Chronic obstructive pulmonary disease; Interstitial Lung Disease; Likert scale; Lung diseases; Mortality; Patients; Pulmonary fibrosis; Quality of life; Quantitative psychology; Thorax; Validity; rare lung diseases; interstitial fibrosis

IntroductionWe evaluated the psychometric properties of the St George’s Respiratory Questionnaire (SGRQ) in patients with idiopathic pulmonary fibrosis (IPF) using data from the two INPULSIS trials.MethodsData from 1061 patients treated with nintedanib or placebo were pooled. Internal consistency, t...