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Validation of the Lymphedema Life Impact Scale Version 2: A Condition-Specific Measurement Tool for Persons With Lymphedema

Validation of the Lymphedema Life Impact Scale Version 2: A Condition-Specific Measurement Tool... RESEARCH REPORT Validation of the Lymphedema Life Impact Scale Version 2: A Condition- Specific Measurement Tool for Persons With Lymphedema 1 2 Jan Weiss, PT, DHS, CLT-LANA ; Todd Daniel, PhD 1 2 CoxHealth Outpatient Rehabilitation, Springfield, MO; and Missouri State University, Springfield, MO Background: Evidence-based practice supports the use of validated outcome measures to assess the effect of lymphedema; however, condition-specific lymphedema assessment measures are needed. The Lymphedema Life Impact Scale (LLIS) has been validated as a comprehensive lymphedema-specific instrument to assess the effects of lymphedema in any extremity. Objectives: This multicenter, cross-sectional study investigated the reliability and validity of a revised version of the LLIS, known as LLIS version 2. Methods: Qualifying patients from lymphedema clinics across the United States completed self-report outcome measures; clinicians measured limb circumference. Test-retest reliability was assessed in a subgroup of 21 participants. Internal consistency and validity were assessed in 84 participants with upper- or lower-limb lymphedema. Results: Intraclass correlation coefficients for test-retest reliability ranged from 0.687 to 0.895. Cronbach α coefficients for internal consistency ranged between 0.847 and 0.953. Construct validity of the LLIS was upheld with symptoms but not with edema severity. The LLIS correlated from moderately to highly with http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Rehabilitation Oncology Wolters Kluwer Health

Validation of the Lymphedema Life Impact Scale Version 2: A Condition-Specific Measurement Tool for Persons With Lymphedema

Rehabilitation Oncology , Volume 36 (1) – Jan 1, 2018

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Publisher
Wolters Kluwer Health
ISSN
2168-3808
eISSN
2381-2427
DOI
10.1097/01.REO.0000000000000096
Publisher site
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Abstract

RESEARCH REPORT Validation of the Lymphedema Life Impact Scale Version 2: A Condition- Specific Measurement Tool for Persons With Lymphedema 1 2 Jan Weiss, PT, DHS, CLT-LANA ; Todd Daniel, PhD 1 2 CoxHealth Outpatient Rehabilitation, Springfield, MO; and Missouri State University, Springfield, MO Background: Evidence-based practice supports the use of validated outcome measures to assess the effect of lymphedema; however, condition-specific lymphedema assessment measures are needed. The Lymphedema Life Impact Scale (LLIS) has been validated as a comprehensive lymphedema-specific instrument to assess the effects of lymphedema in any extremity. Objectives: This multicenter, cross-sectional study investigated the reliability and validity of a revised version of the LLIS, known as LLIS version 2. Methods: Qualifying patients from lymphedema clinics across the United States completed self-report outcome measures; clinicians measured limb circumference. Test-retest reliability was assessed in a subgroup of 21 participants. Internal consistency and validity were assessed in 84 participants with upper- or lower-limb lymphedema. Results: Intraclass correlation coefficients for test-retest reliability ranged from 0.687 to 0.895. Cronbach α coefficients for internal consistency ranged between 0.847 and 0.953. Construct validity of the LLIS was upheld with symptoms but not with edema severity. The LLIS correlated from moderately to highly with

Journal

Rehabilitation OncologyWolters Kluwer Health

Published: Jan 1, 2018

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