Translation, cross-cultural adaptation, reliability, validity, and responsiveness of the Brazilian Portuguese version of the Knee Injury and Osteoarthritis Outcome Score for Children (KOOS-Child) in children and adolescents with knee injuries

Sarah Caroline de Sousa Marques; Cecilia Ferreira de Aquino; David Bruno Braga de Castro; Marina Gonçalves Pereira; Sabrina de Sousa Silva; Gabriel Peixoto Leão Almeida

doi:10.1080/09638288.2026.2647440

March 25, 2026Disability and Rehabilitation

Translation, cross-cultural adaptation, reliability, validity, and responsiveness of the Brazilian Portuguese version of the Knee Injury and Osteoarthritis Outcome Score for Children (KOOS-Child) in children and adolescents with knee injuries

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Key Points

To translate and validate the KOOS-Child for Brazilian Portuguese-speaking children and adolescents with knee injuries.
Translation and cross-cultural adaptation of the KOOS-Child questionnaire
Assessment of reliability via test-retest
Evaluation of validity through comparison with other relevant measures
Analysis of responsiveness to changes over time in knee injury severity
KOOS-Child-Br shows high reliability scores
Validates effectively with other established measures
Proven responsive to changes in knee injury status

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Implication

Translation and validation of KOOS-Child demonstrates strong reliability and responsiveness in children with knee injuries, suggesting its effective use.

Abstract

KOOS-Child-Br is reliable, valid and responsive in children and adolescents with knee injuries.

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Cite This Study

Marques et al. (2026) studied this question.

synapsesocial.com/papers/69c770888bbfbc51511e0a91 https://doi.org/10.1080/09638288.2026.2647440

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Translation, cross-cultural adaptation, reliability, validity, and responsiveness of the Brazilian Portuguese version of the Knee Injury and Osteoarthritis Outcome Score for Children (KOOS-Child) in children and adolescents with knee injuries

Key Points

No abstract yet

Implication

Abstract

Discussion

Cite This Study

Translation, cross-cultural adaptation, reliability, validity, and responsiveness of the Brazilian Portuguese version of the Knee Injury and Osteoarthritis Outcome Score for Children (KOOS-Child) in children and adolescents with knee injuries

Key Points

No abstract yet

Implication

Abstract

Discussion

Cite This Study

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