Cross-cultural adaptations of the Oxford-12 HIP score to the French speaking population - 25/04/09

Doi : 10.1016/j.otsr.2009.01.003

C. Delaunay ^a,^⁎ , J.-A. Epinette ^b, J. Dawson ^c, D. Murray ^d, B.-M. Jolles ^e
^a Department of Orthopaedic Surgery, clinique Yvette, 67–71, route de Corbeil, 91160 Longjumeau, France
^b Clinique médicochirurgicale, 200, rue d’Auvergne, 62700 Bruay-Labuissière, France
^c Oxford Centre for Health Care Research and Development, Oxford Brookes University, 44, London Road, Headington, Oxford, UK
^d Nuffield Department of Orthopaedic Surgery, University of Oxford, Headington, Oxford OX3 7LD, UK
^e Service de chirurgie orthopédique et traumatologie de l’appareil moteur, département de l’appareil locomoteur, centre hospitalier universitaire Vaudois, université de Lausanne, 4, avenue Pierre-Decker, 1011 Lausanne, Switzerland

Corresponding author.

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Summary

Background

An objective measurement of surgical procedures outcomes is inherent to professional practices quality control; this especially applies in orthopaedics to joint replacement outcomes. A self-administered questionnaire offers an attractive alternative to surgeon’s judgement but is infrequently used in France for these purposes. The British questionnaire, the 12-item Oxford Hip Score (OHS) was selected for this study because of its ease of use.

Hypothesis

The objective of this study was to validate the French translation of the self-assessment 12-item Oxford Hip Score and compare its results with those of the reference functional scores: the Harris Hip Score (HHS) and the Postel-Merle d’Aubigné (PMA) score.

Materials and methods

Based on a clinical series of 242patients who were candidates for total hip arthroplasty, the French translation of this questionnaire was validated. Its coherence was also validated by comparing the preoperative data with the data obtained from the two other reference clinical scores.

Results

The translation was validated using the forward-backward translation procedure from French to English, with correction of all differences or mistranslations after systematized comparison with the original questionnaire in English. The mean overall OHS score was 43.8points (range, 22–60points) with similarly good distribution of the overall value of the three scores compared. The correlation was excellent between the OHS and the HHS, but an identical correlation between the OHS and the PMA was only obtained for the association of the pain and function parameters, after excluding the mobility criterion, relatively over-represented in the PMA score.

Discussion and conclusion

Subjective questionnaires that contribute a personal appreciation of the results of arthroplasty by the patient can easily be applied on a large scale. This study made a translated and validated version of an internationally recognized, reliable self-assessment score available to French orthopaedic surgeons. The results obtained encourage us to use this questionnaire as a complement to the classical evaluation scores and methods.

Level of evidence: level III. Diagnostic Study.

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Keywords : Total hip arthroplasty, Clinical scoring system, Oxford Score, Total joint outcome questionnaires