Assessing Validity and Responsiveness of the Rotator Cuff Quality of Life Index

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dc.contributor.advisorMohtadi, Nicholas G. H.
dc.contributor.authorCampbell, Caitlin Dawn
dc.contributor.committeememberWiley, James Preston
dc.contributor.committeememberBois, Aaron J.
dc.contributor.committeememberSabo, Marlis T.
dc.date2018-11
dc.date.accessioned2018-07-23T14:37:26Z
dc.date.available2018-07-23T14:37:26Z
dc.date.issued2018-07-17
dc.description.abstractBackground: The Rotator Cuff Quality of Life Index (RC-QOL) was developed to evaluate quality of life in patients with rotator cuff disease (RCD). This study provides additional validity and responsiveness testing over a 2-year period in accordance with the Consensus-Based Standards for the Selection of Health Measurement Instruments (COSMIN) guidelines. Methods: Sixty-six patients (mean age, 59±10) with RCD were evaluated. Methodology testing included criterion (concurrent) and content validity, and responsiveness. Results: Content validity was confirmed with a Cronbach α of 0.91 (95% CI; range, 0.92-0.95) and an absence of floor and ceiling effects. Criterion (concurrent) validity was confirmed using the Western Ontario Rotator Cuff Index as a reference standard (r=0.85, p<0.001). The effect size of distribution-based methods of determining responsiveness were large (0.99-1.09) compared to mixed- and anchor-based methods (0.47-0.8). All responsiveness calculations met minimum requirements for acceptable thresholds. Conclusion: The RC-QOL is a valid and responsive measure of health-related quality of life in patients with chronic RCD. The results of this study added to the methodologic quality assessment of the RC-QOL, completing 7 of 10 COSMIN criteria.en_US
dc.identifier.citationCampbell, C. D. (2018). Assessing Validity and Responsiveness of the Rotator Cuff Quality of Life Index (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/32657en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/32657
dc.identifier.urihttp://hdl.handle.net/1880/107475
dc.language.isoeng
dc.publisher.facultyGraduate Studies
dc.publisher.facultyKinesiology
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.subjectshoulder
dc.subjectpsychometric assessment
dc.subjectvalidity
dc.subjectresponsiveness
dc.subjectquality of life
dc.subjectrotator cuff
dc.subjectoutcome measurement
dc.subject.classificationPsychometricsen_US
dc.titleAssessing Validity and Responsiveness of the Rotator Cuff Quality of Life Index
dc.typemaster thesis
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameMaster of Science (MSc)
ucalgary.item.requestcopytrue
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