Abstract
BackgroundThe Foot and Ankle Ability Measure (FAAM) is a self reported questionnaire for patients with foot and ankle disorders available in English, German, and Persian. This study plans to translate the FAAM from English to French (FAAM-F) and assess the validity and reliability of this new version.MethodsThe FAAM-F Activities of Daily Living (ADL) and sports subscales were completed by 105 French-speaking patients (average age 50.5 years) presenting various chronic foot and ankle disorders. Convergent and divergent validity was assessed by Pearson's correlation coefficients between the FAAM-F subscales and the SF-36 scales: Physical Functioning (PF), Physical Component Summary (PCS), Mental Health (MH) and Mental Component Summary (MCS). Internal consistency was calculated by Cronbach's Alpha (CA). To assess test re-test reliability, 22 patients filled out the questionnaire a second time to estimate minimal detectable changes (MDC) and intraclass correlation coefficients (ICC).ResultsCorrelations for FAAM-F ADL subscale were 0.85 with PF, 0.81 with PCS, 0.26 with MH, 0.37 with MCS. Correlations for FAAM-F Sports subscale were 0.72 with PF, 0.72 with PCS, 0.21 with MH, 0.29 with MCS. CA estimates were 0.97 for both subscales. Respectively for the ADL and Sports subscales, ICC were 0.97 and 0.94, errors for a single measure were 8 and 10 points at 95% confidence and the MDC values at 95% confidence were 7 and 18 points.ConclusionThe FAAM-F is valid and reliable for the self-assessment of physical function in French-speaking patients with a wide range of chronic foot and ankle disorders.
Highlights
The Foot and Ankle Ability Measure (FAAM) is a self reported questionnaire for patients with foot and ankle disorders available in English, German, and Persian
Instruments that offer specific information for score interpretation may be more useful. This information can include score error associated with single measure, change in score that represents a minimal detectable change (MDC), and a change in score that represents minimal clinical important difference (MCID)
A higher score represents a higher level of physical function for both the Activities of Daily Living (ADL) and Sports subscales [6]
Summary
The Foot and Ankle Ability Measure (FAAM) is a self reported questionnaire for patients with foot and ankle disorders available in English, German, and Persian. Evaluation of patients with musculoskeletal disorders can rely on clinical examination and radiological imaging, and on scores from self-reported outcome instruments. The information acquired from self-reported outcome instruments is useful only if there is evidence to support interpretation of the obtained scores [1,2]. There is a lack of evidence to support the use of an instrument in the French language for individuals with musculoskeletal foot and ankle disorders. While there are many instruments available there is not a universally accepted instrument in the French language for individuals with musculoskeletal foot and ankle disorders
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