Cross-cultural adaptation and validation of the Foot and Ankle Outcome Score (FAOS) into Spanish (Chile)

Manuel J. Pellegrini, Rafael Poniachik, Alfredo Nuñez, Mario I. Escudero, Giovanni Carcuro, Aaron A. Cortes*

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

5 Citas (Scopus)


Purpose: To adapt and validate the English version of the Foot and Ankle Outcome Score (FAOS) into Spanish FAOS-CL, following the WHO guidelines.

Methods: A cross-sectional study including 318 outpatients with non-traumatic conditions. Validity, acceptability and internal consistency including correlations with the Medical Outcome Study Short Form 36 are reported.

Results: The preliminary version resulted from the forward and back-translation and a pilot administration. Validation response rate was 99.22%. Substantial ceiling effects were observed for Symptoms and ADL and floor effect for QoL sub-scales. The FAOS-CL had excellent internal consistency (Cronbach's α = 0.98). The principal component analysis gave five factors explaining the 72.6% of the variance. The FAOS-CL items significantly correlate with their sub-scales. FAOS-CL sub-scales significantly correlated with SF-36 components and subcomponents.

Conclusion: The first Spanish version of the FAOS was generated. Culturally adapted and validated with high reliability capable of evaluating different foot and ankle conditions.

Keywords: Cross-cultural adaptation; Orthopaedic condition; PROMs; Psychometric evaluation; Spanish.
Idioma originalInglés
Páginas (desde-hasta)790-796
Número de páginas7
PublicaciónFoot and Ankle Surgery
EstadoPublicada - oct. 2020

Nota bibliográfica

Publisher Copyright:
© 2019 European Foot and Ankle Society

Palabras clave

  • Cross-cultural adaptation
  • Orthopaedic condition
  • PROMs
  • sychometric evaluation
  • Spanish


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