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Open Access Green as soon as Postprint is submitted to ZB.
Validation of the English severe respiratory insufficiency questionnaire.
Eur. Respir. J. 40, 408-415 (2012)
Assessment of health-related quality of life in patients with respiratory failure on home ventilation requires appropriate and highly specific measurement tools. We attempt to validate the English version of the Severe Respiratory Insufficiency Questionnaire (SRI). Psychometric properties of the SRI in 152 patients established on home ventilation were assessed. Cronbach's alpha ranged between 0.77 and 0.89 for the seven subscales and and was 0.93 for the summary scale. Principal components analysis revealed a one-factor solution for four and two factors for three subscales. Confirmatory factor analysis revealed a two-factor solution for six subscales, but these factors were dependent on each other. One factor was extracted out of the subscales confirming one summary scale accounting for 70% of the total variance. Correlation analysis between scales of the SRI and the Medical Outcome Study 36-item short-form health survey demonstrated highest correlations between comparable subscales. Chronic obstructive pulmonary disease patients had lower summary scale scores than patients with restrictive chest wall diseases, neuromuscular disorders and obesity hypoventilation syndrome. The English SRI has high internal consistency reliability, clearly established construct and concurrent validity, and is capable of differentiating between different diseases. It is now validated for use in research involving patients receiving home ventilation.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Assisted ventilation; noninvasive ventilation; quality of life; reliability and validity; respiratory insufficiency; Quality-Of-Life; Positive-Pressure Ventilation; Home Mechanical Ventilation; Randomized Crossover Trial; Noninvasive Ventilation; SRI Questionnaire; Hypercapnic COPD; Lung-Disease; Failure; Hypoventilation
ISSN (print) / ISBN
0903-1936
e-ISSN
1399-3003
Journal
European Respiratory Journal
Quellenangaben
Volume: 40,
Issue: 2,
Pages: 408-415
Publisher
European Respiratory Society
Publishing Place
Sheffield
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Epidemiology (EPI)