ArticleCureus2023
Cross-Cultural Adaptation and Measurement Properties of the Upper Limb Functional Index (ULFI) for Greek-Speaking Patients.
Article in Cureus, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Adaptation of the Upper Limb Functional Index (ULFI) to a Polish version and validation in patients with upper limb musculoskeletal disorders.BMC musculoskeletal disorders · 2025Article
- Construct validity, test-retest reliability, and responsiveness of the Arabic version of the upper limb functional index.BMC musculoskeletal disorders · 2023Observational
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe upper limb functional index (ULFI) is a widely used outcome measure for patients with upper limb musculoskeletal disorders (ULMSDs) that is available in several languages. Our purpose was to develop the Greek version of the ULFI and test its test-retest reliability, validity, and responsiveness in a cohort of patients with ULMSD.
methodsWe used a merged methodology of published guidelines and recommendations for the translation and cross-cultural adaptation process. One hundred patients with ULMSDs completed the ULFI-Gr on three occasions: baseline, 2-7 days later to evaluate repeatability, and 6 weeks later to assess responsiveness. Participants completed the quick disability of the arm, shoulder, and hand questionnaire (Quick-DASH) and a numerical pain rating scale (NPRS) to evaluate convergent validity. Also, a global rating of change (GROC) scale was used to evaluate responsiveness.
resultsMinor wording adaptations were required during the translation and cross-cultural adaption of the questionnaire. Factor analysis resulted in two main factors explaining 40.2% of the total variance. The ULFI-Gr was found to be reliable (intraclass correlation coefficient: 0.97, 95% confidence interval: 0.95-0.99) with a small measurement error (standard error of measurement: 3.34%, minimal detectable change: 7.79%). The ULFI-Gr showed a strong negative correlation with the Quick-DASH (-0.75), a moderate to strong negative correlation with the NPRS (-0.56), and a good level of responsiveness (standardized response mean: 1.31, effect size: 1.19).
conclusionsThe ULFI-Gr can be used as a reliable, valid, and responsive patient-reported outcome measure to evaluate the functional status of patients with ULMSDs.
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