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The reproducibility of measurements of inspiratory work capacity in cystic fibrosis patients

Enright, SJ, Unnithan, VB and Davies, DH 2006, 'The reproducibility of measurements of inspiratory work capacity in cystic fibrosis patients' , Respiratory Physiology & Neurobiology, 150 (1) , pp. 35-43.

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Abstract

The evaluation of respiratory muscle endurance (RME) is regarded as being clinically relevant to the assessment of respiratory muscle function. The reproducibility of a non-invasive measure of assessing RME was determined by measuring inspiratory work capacity (IWC) (using a computerised system). Measurements were obtained on two occasions in 20 adult cystic fibrosis (CF) patients (22.7+/-3.4 years, mean+/-S.D.) and 20 age (23.4+/-4.4 years) and gender (10 male, 10 female in each group) matched healthy controls. The coefficients of reliability (CR), intra-class correlation coefficients (ICC) and limits of agreement (bias+/-2 S.D.) were determined. CR values for the CF patients and controls were above 90% and with ICC of 0.99 in both CF patients and controls. The differences in IWC between study days were within +/-2 S.D. of the mean difference in all but one CF and one control subject. These data suggest that measures of IWC may be considered reliable when used to assess RM function in both controls and in patients with CF.

Item Type: Article
Uncontrolled Keywords: Reproducibility, inspiratory work capacity, cystic fibrosis
Themes: Subjects / Themes > Q Science > Q Science (General)
Subjects / Themes > R Medicine > R Medicine (General)
Health and Wellbeing
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Environment and Life Sciences
Journal or Publication Title: Respiratory Physiology & Neurobiology
Publisher: Elsevier
Refereed: Yes
ISSN: 15699048
Depositing User: H Kenna
Date Deposited: 07 Aug 2007 13:46
Last Modified: 20 Aug 2013 16:45
URI: http://usir.salford.ac.uk/id/eprint/138

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