Abstract
Wright FV, Hubbard S, Naumann S, Jutai J. Evaluation of the validity of the Prosthetic Upper Extremity Functional Index for children. Arch Phys Med Rehabil 2003;84:518-27. Objective: To evaluate the validity of the Prosthetic Upper Extremity Functional Index (PUFI), a parent- and older child-report measure that evaluates the extent of Prosthetic limb use, ease of task performance with and without the prosthesis, and its usefulness. Design: Evaluation of discriminant validity (the PUFI[apos]s ability to detect differences between children), construct validity (between the parent-report PUFI and University of New Brunswick Test of Prosthetic Function [lsqb]UNB Test[rsqb]), and criterion validity (comparison of parent-report PUFI responses with an assessor[apos]s scores of a child[apos]s performance of PUFI activities). Setting: Four pediatric amputee clinics. Participants: Thirty-eight children, ages 3 to 18 years, with unilateral upper-extremity amputation and a prosthesis. Interventions: Not applicable. Main Outcome Measures: The PUFI and the UNB Test. Results: The PUFI differentiated between children in high and low UNB Test score categories, and between younger and older children[apos]s functional abilities. The extent of correlation between PUFI ratings and UNB skill of performance scores was moderate for [ldquo]ease of performance[rdquo] and [ldquo]usefulness of prosthesis[rdquo] categories ( r[gt].47, P[lt].05). The level of agreement between parent report and observational assessment of PUFI skills was acceptable (weighted [kappa] range, .44-.65). Conclusions: The PUFI showed acceptable validity and showed promise in identifying prosthetic skill and use in children of different ages and abilities.
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