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Validation of the French version of the KOOS-child questionnaire

  • KNEE
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

The Knee Injury Osteoarthritis Outcome Score (KOOS) questionnaire is one of the frequently used outcome scores in pediatric studies. However, a recent study demonstrated that the pediatric population had a limited understanding of some of its questions. Therefore, the KOOS-Child questionnaire was developed specifically for this population. Our team produced a French adaptation based on the English version. The objective of the current study was to validate the French adaptation of the KOOS-Child questionnaire.

Methods

After ethic board approval, the questionnaire was translated from English to French by two French speaking orthopedic surgeons. Following consensus, the translated version was retranslated to English by a professional translator. A group of experts compared the original and back translated version and decided on a final adapted questionnaire version. Ninety-nine 8–16 year-old patients were prospectively recruited from our pediatric orthopedic surgery clinic. Twenty-one control participants and 78 patients suffering from knee pain were recruited. The participants were asked to answer the translated French version of the KOOS-Child questionnaire and two validated French pediatric quality of life surveys.

Results

Statistical analysis demonstrated no statistically significant demographic difference between the control population and the patients suffering from a knee pathology. The mean for the five different domains of the KOOS-Child questionnaire showed statistical differences (p < 0.001) between the two groups. Construct validity was demonstrated through testing of previously validated hypothesis of correlation. Internal consistency was also confirmed in injured patients.

Conclusions

In conclusion, the current study results demonstrate good to excellent internal consistency, good construct validity and inconclusive discriminant capacity of the French adaptation of the KOOS-Child questionnaire.

Level of evidence

II.

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Abbreviations

KOOS and KOOS-Child:

Knee Osteoarthritis Outcome Score-Child

ADL:

Activity of daily Living

CHAQ:

Childhood Health Assessment Questionnaire

BMI:

Body mass index

WHO:

World Health Organization

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Acknowledgements

The authors wish to thank Marjolaine Roy-Beaudry and Julie Joncas for their help with the recruitment of participants and Kathleen Beaumont for editorial and language review.

Funding

This study was funded by the senior author starting grant.

Author information

Authors and Affiliations

  1. CHU Ste-Justine, 7905-3175 chemin de la Côte Ste-Catherine, Montréal, QC, H3T 1C5, Canada

    Eliane Rioux Trottier, Marie Beauséjour, Stéphanie Lamer, Peter Glavas, Guy Grimard & Marie-Lyne Nault

  2. Department of Surgery, Université de Montréal, 2900 boul. Edouard-Montpetit, Montreal, QC, H3T 1J4, Canada

    Eliane Rioux Trottier, Marie Beauséjour, Stéphanie Lamer, Peter Glavas, Guy Grimard & Marie-Lyne Nault

Authors
  1. Eliane Rioux Trottier
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  2. Marie Beauséjour
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  3. Stéphanie Lamer
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  4. Peter Glavas
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  5. Guy Grimard
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  6. Marie-Lyne Nault
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Contributions

ERT: Data acquisition/interpretation, Manuscript preparation/revision. SL: Study elaboration, Data acquisition. MB: Study design (analysis portion), Statistical analysis, Manuscript revision. PG: Study design, Manuscript revision. GG: Study design, Manuscript revision. MLN: Study Design, Study elaboration, Data preparation/interpretation, Manuscript preparation, Manuscript revision.

Corresponding author

Correspondence to Marie-Lyne Nault.

Ethics declarations

Conflict of interest

Eliane Rioux Trottier: Financing for research project: Antimicrobial Prophylaxis For Skin Colonization With Propionibacterium Acnes In Primary Open Shoulder Surgery: A Double Blinded Randomized Controlled Trial by Wright Medical. Marie-Lyne Nault: Institutional grant at Hôpital du Sacré-Coeur de Montréal from Stryker, Smith and Nephew, Wright Medical and Johnson and Johnson. No conflict of interest with this project. Guy Grimard: Shareholder Emovi inc. No conflict of interest with this project.

Ethical approval

This article involved human participants and all procedures performed were in accordance with the ethical standards of the institutional research committee.

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Rioux Trottier, E., Beauséjour, M., Lamer, S. et al. Validation of the French version of the KOOS-child questionnaire. Knee Surg Sports Traumatol Arthrosc 27, 2361–2367 (2019). https://doi.org/10.1007/s00167-018-5302-y

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  • DOI: https://doi.org/10.1007/s00167-018-5302-y

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