Abstract
Study designClinical measurement. BackgroundThe Upper Limb Functional Index (ULFI) is a patient reported outcome (PRO) measure with sound clinimetric properties and clinical viability for determination of upper limb function. Purpose-methodsThe aims of this study were to cross-culturally adapt the ULFI for Turkish-speaking patients (ULFI-Tk) and investigate the reliability and validity in patients with upper limb problems. Patients (n=l02, age 49.1±16.6) with upper limb disorders were consecutively recruited. All participants completed the ULFI-Tk and the Disability of Arm, Shoulder and Hand Turkish-version (DASH-Tk) criterion at baseline and day-three. ResultsThe ULFI-Tk demonstrated good internal consistency (α=0.87), moderate criterion validity (DASH-Tk:r=0.68;p<0.05), moderate reliability (ICC2:1=0.72,CI=0.58-0.80) and strong error measurement (SEM=2.94;MDC90=5.35). Exploratory factor analysis demonstrated a dual factor structure that explained 31.2% of total variance. ConclusionsThe ULFI-Tk is a reliable and valid PRO that could be used to assess upper limb musculoskeletal disorders in Turkish speaking patients Level of evidenceClass 2.
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