Translation, cross-cultural adaptation, reliability, and validation of the italian version of the Foot and Ankle Disability Index (FADI)

Translation, cross-cultural adaptation, reliability, and validation of the italian version of the Foot and Ankle Disability Index (FADI)

Authors

  • Massimiliano Leigheb Department of Health Sciences, Università del Piemonte Orientale (UPO), Via Solaroli 17, Novara, Italy; Orthopaedics and Traumatology Unit, “Maggiore della carità.” University Hospital, Corso Mazzini 18, Novara, Italy
  • Emanuele Rava Department of Science and Technology Innovation, Eastern Piedmont University, Alessandria, Italy
  • Dario Vaiuso Department of Science and Technology Innovation, Eastern Piedmont University, Alessandria, Italy
  • Elena Manuela Samaila Orthopaedic and Traumatology Department, University of Verona
  • Francesco Pogliacomi Orthopedic Clinic, Department of Medicine and Surgery, University Hospital of Parma, Via Gramsci 14, Parma, PR 43126, Italy
  • Michela Bosetti Dipartimento di Scienze del Farmaco, University of Eastern Piedmont, L.go Donegani 2, 28100 Novara, Italy
  • Federico Alberto Grassi Department of Health Sciences, Università del Piemonte Orientale (UPO), Via Solaroli 17, Novara, Italy; Orthopaedics and Traumatology Unit, “Maggiore della carità.” University Hospital, Corso Mazzini 18, Novara, Italy
  • Maurizio Sabbatini Department of Science and Technology Innovation, Eastern Piedmont University, Alessandria, Italy

Keywords:

evaluation scale, validation, cultural adaptation, foot, ankle, disability, Quality of Life, questionnaire, FADI, Italian.

Abstract

Background and Aim of the work: Foot-and-Ankle-Disability-Index (FADI) is one of the most
widely used evaluation questionnaires for this anatomical district, but an italian validated version lacks and is
necessary to properly evaluate italian people. In fact a correct interpretation of the items by patients is essential
to obtain a precise subjective response, making the questionnaire valid to evaluate patients’ satisfaction and
wellness. Our purpose was to translate and culturally adapt into Italian the FADI questionnaire, and to check
its reproducibility and validity. Materials and Methods: The original english version of FADI questionnaire
was translated into Italian and checked for medical part coherence. It was submitted to 10 italian randomized
patients to verify a correct cultural adaptation, and then to other 50 randomized patients operated at their
ankle or hallux to assess intra- and inter-observer reproducibility by the Pearson’s-Correlation-Coefficient
(PCC) and the Intra-Class-Correlation (ICC) coefficient. Moreover, Short-Form-36 (SF36) questionnaire
for Quality-of-Life and Visual-Analogue-Scale (VAS) for pain were also administered to the same 60 people
and compared to italian-FADI to perform validation analysis by PCC and ICC coefficient. Results: Cultural
adaptation of the translated version of the scale resulted good in terms of understandability by patients. An
optimal correlation of the inter- and intra-observer reproducibility was obtained. The correlation obtained
between FADI and SF-36 as well as between FADI and VAS indicates success in the validation process.
Conclusions: Validation of the FADI italian version has been performed successfully, its use can be considered
appropriate and is indicated in italian clinical practice. (www.actabiomedica.it)

Author Biography

Massimiliano Leigheb, Department of Health Sciences, Università del Piemonte Orientale (UPO), Via Solaroli 17, Novara, Italy; Orthopaedics and Traumatology Unit, “Maggiore della carità.” University Hospital, Corso Mazzini 18, Novara, Italy

Corresponding

Prof. Massimiliano LEIGHEB MD, PhD

Orthopaedics and Traumatology Unit, “Maggiore della carità” University Hospital

Department of Health Sciences - University of Eastern Piedmont (UPO)

Via Solaroli 17, I-28100 Novara, Italy

Tel.: +39 3474844071

Fax: +39 0321 393691

E-mail: [email protected]

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Published

30-05-2020

How to Cite

1.
Translation, cross-cultural adaptation, reliability, and validation of the italian version of the Foot and Ankle Disability Index (FADI). Acta Biomed [Internet]. 2020 May 30 [cited 2024 Jun. 24];91(4-S):150-66. Available from: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/9544