Dyspnoea-12 is a valid and reliable measure of breathlessness in patients with ILD

Yorke, J, Swigris, J, Russell, AM, Moosavi, SH, Man Ng Kwong, G, Longshaw, M and Jines, PW 2011, 'Dyspnoea-12 is a valid and reliable measure of breathlessness in patients with ILD' , Chest, 139 (1) , pp. 159-164.

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Objective: To determine the validity and reliability of the Dyspnoea-12 (D-12) for the assessment of breathlessness in patients with interstitial lung disease (ILD). Methods: 101 patients with ILD completed the D-12 (scaling range 0-36, high score indicates worse dyspnea), MRC dyspnea scale, St George’s Respiratory Questionnaire (SGRQ), and Hospital anxiety and depression scale (HADS) at baseline, and 84 patients completed the D-12 and a global health transition score at follow-up 2-weeks later. D-12 psychometric properties, including floor and ceiling effects, internal consistency, test-retest reliability and construct validity of the D-12 were examined. Results: The D-12 showed good internal consistency (Cronbach’s α =0.93) and repeatability (Intra-class correlation coefficient = 0.94). Its scores were significantly associated with MRC grade (r = 0.56, p<0.001), SGRQ (symptoms r = 0.57; activities r = 0.78; impacts r = 0.75; total r = 0.79, p<0.001). Confirmatory factor analysis confirmed the previously determined structure of the D-12 in this patient group. Conclusion: In patients with ILD, the patient reported D-12 - a patient reported measure of dyspnoea severity that requires no reference to activity, is a reliable and valid instrument. It is short, simple to complete, and easy to score. Copyright © 2010 American College of Chest Physicians

Item Type: Article
Themes: Subjects / Themes > R Medicine > R Medicine (General)
Subjects / Themes > R Medicine > RT Nursing
Health and Wellbeing
Schools: Schools > School of Health and Society > Centre for Applied Research in Health, Welfare and Policy
Schools > School of Health and Society
Journal or Publication Title: Chest
Publisher: American College of Chest Physicians
Refereed: Yes
ISSN: 0012-3692
Funders: Action Medical Research
Depositing User: JL Yorke
Date Deposited: 09 Jul 2010 10:42
Last Modified: 27 Aug 2021 22:22
URI: https://usir.salford.ac.uk/id/eprint/9460

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