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Intra- and Interrater Reliability and Concurrent Validity of a New Tool for Assessment of Breast Cancer–Related Lymphedema of the Upper Extremity
Journal article   Open access   Peer reviewed

Intra- and Interrater Reliability and Concurrent Validity of a New Tool for Assessment of Breast Cancer–Related Lymphedema of the Upper Extremity

Bryan Spinelli, Michael J. Kallan, Xiaochen Zhang, Andrea Cheville, Andrea Troxel, Joy Cohn, Lorraine Dean, Kathleen Sturgeon, Margaret Evangelista, Zi Zhang, …
Archives of physical medicine and rehabilitation, v 100(2), pp 315-326
Feb 2019
PMID: 30291828
url
https://doi.org/10.2196/27486View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Breast cancer Lymphedema Rehabilitation
The goal of this study was to develop and assess intra- and interrater reliability and validity of a clinical evaluation tool for breast cancer–related lymphedema, for use in the context of outcome evaluation in clinical trials. Blinded repeated measures observational study. Outpatient research laboratory. Breast cancer survivors with and without lymphedema (N=71). Not applicable. The assessment of intraclass correlation coefficients (ICCs) for the Breast Cancer–Related Lymphedema of the Upper Extremity (CLUE) standardized clinical evaluation tool. Intrarater reliability for the CLUE tool was ICC: 0.88 (95% confidence interval [95% CI], 0.71-0.96). Interrater reliability for the CLUE tool was ICC: 0.90 (95% CI, 0.79-0.95). Concurrent validity of the CLUE score (Pearson r) was 0.79 with perometric interlimb difference and 0.53 with the Norman lymphedema overall score. The CLUE tool shows excellent inter- and intrarater reliability. The overall CLUE score for the upper extremity also shows moderately strong concurrent validity with objective and subjective measures. This newly developed clinical, physical assessment of upper extremity lymphedema provides standardization and a single score that accounts for multiple constructs. Next steps include evaluation of sensitivity to change, which would establish usefulness to evaluate intervention efficacy.

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Collaboration types
Domestic collaboration
Web of Science research areas
Rehabilitation
Sport Sciences
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