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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Abstract

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:	Colleges and Schools > College of Health & Social Care > School of Nursing, Midwifery & Social Work > Centre for Nursing & Midwifery Research Colleges and Schools > College of Health & Social Care Colleges and Schools > College of Health & Social Care > School of Nursing, Midwifery & Social Work
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 11:42
Last Modified:	27 Sep 2011 11:40
URI:	http://usir.salford.ac.uk/id/eprint/9460

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