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. 2017:2017:6051698.
doi: 10.1155/2017/6051698. Epub 2017 Nov 27.

Adaptation and Validation of the Foot Function Index-Revised Short Form into Polish

Radosław Rutkowski  1 , Małgorzata Gałczyńska-Rusin  2 , Małgorzata Gizińska  1 , Marcin Straburzyński-Lupa  3 , Agata Zdanowska  4 , Mateusz Wojciech Romanowski  5 , Wojciech Romanowski  4 , Elly Budiman-Mak  6   7 , Anna Straburzyńska-Lupa  1   4
Affiliations

Adaptation and Validation of the Foot Function Index-Revised Short Form into Polish

Radosław Rutkowski et al. Biomed Res Int. 2017.

Abstract

Purpose: The aim of the present study was to adapt the Foot Function Index-Revised Short Form (FFI-RS) questionnaire into Polish and verify its reliability and validity in a group of patients with rheumatoid arthritis (RA).

Methods: The study included 211 patients suffering from RA. The FFI-RS questionnaire underwent standard linguistic adaptation and its psychometric parameters were investigated. The enrolled participants had been recruited for seven months as a convenient sample from the rheumatological hospital in Śrem (Poland). They represented different sociodemographic characteristics and were characterized as rural and city environments residents.

Results: The mean age of the patients was 58.9 ± 10.2 years. The majority of patients (85%) were female. The average final FFI-RS score was 62.9 ± 15.3. The internal consistency was achieved at a high level of 0.95 in Cronbach's alpha test, with an interclass correlation coefficient ranging between 0.78 and 0.84. A strong correlation was observed between the FFI-RS and Health Assessment Questionnaire-Disability Index (HAQ-DI) questionnaires.

Conclusion: The Polish version of FFI-RS-PL indicator is an important tool for evaluating the functional condition of patients' feet and can be applied in the diagnosis and treatment of Polish-speaking patients suffering from RA.

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Figures

Figure 1
Figure 1
Stages of FFI-R short version questionnaire translation process into Polish.
See this image and copyright information in PMC

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