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Validation of the Brazilian version of the Hip Outcome Score (HOS) questionnaire

  • Costa, Rafaela Maria de Paula1, 2
  • Cardinot, Themis Moura3
  • Mathias, Letícia Nunes Carreras Del Cast...1, 2
  • Leporace, Gustavo4
  • de Oliveira, Liszt Palmeira5, 2
  • 1 Medical Sciences, State University of Rio de Janeiro, Rio de Janeiro, Brazil , Rio de Janeiro (Brazil)
  • 2 State University of Rio de Janeiro, Orthopedics Service, Pedro Ernesto University Hospital, Rio de Janeiro, RJ, Brazil , Rio de Janeiro (Brazil)
  • 3 Rural Federal University of Rio de Janeiro, Medical Sciences, Seropédica, RJ, Brazil , Seropédica (Brazil)
  • 4 Federal University of Rio de Janeiro, Biomedical Engineering, Rio de Janeiro, RJ, Brazil , Rio de Janeiro (Brazil)
  • 5 State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil , Rio de Janeiro (Brazil)
Published Article
Advances in Rheumatology
BioMed Central
Publication Date
May 24, 2018
DOI: 10.1186/s42358-018-0007-y
Springer Nature


BackgroundThe Hip Outcome Score (HOS) was developed to evaluate physically active patients with hip disease but without severe degenerative change. A translation and cultural adaptation into Brazilian Portuguese was previously conducted. The aim of this study was to validate the Brazilian version of the HOS (HOS-Brazil) among a group of physically active patients with a diagnosis of femoroacetabular impingement (FAI) or greater trochanteric pain syndrome (GTPS).MethodsThe following questionnaires were applied: the HOS-Brazil; the validated Brazilian versions of the Nonarthritic Hip Score (NAHS) and the 12-Item Short-Form Health Survey (SF-12). The psychometric properties analyzed with regard to the validation process were reliability and validity. Internal consistency and intra-rater test-retest reliabilities were analyzed using Cronbach’s alpha and the intraclass correlation coefficient (ICC) statistical tests based on test-retest agreement. Construct and content validities were examined using Pearson’s correlation coefficient. Content validity was also analyzed based on evidence of floor, ceiling, or both types of effects from the questionnaires.ResultsA total of 70 male and female patients were selected, aged between 19 and 70 years old. The internal consistency and intra-rater test-retest reliability values were high (Cronbach’s α > 0.9; ICC > 0.9). The questionnaire showed acceptable convergent (r > 0.7) and divergent (r < 0.4) validities. No floor or ceiling effects were observed.ConclusionThe HOS-Brazil was validated. Additional studies are underway to evaluate its responsiveness.

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