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Turkish Validation of the HOOS-12

17 agosto 2026 aggiornato da: Nazli Cigercioglu, Hacettepe University

Turkish Cross-cultural Adaptation, Validity, Reliability, and Responsiveness of the Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) in Patients With Hip Osteoarthritis

The Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) is a short patient-reported outcome measure developed to assess pain, function, and hip-related quality of life in individuals with hip osteoarthritis. Although widely used internationally, a validated Turkish version is currently unavailable. This study aims to translate and culturally adapt the HOOS-12 into Turkish and evaluate its psychometric properties, including internal consistency, test-retest reliability, construct validity, structural validity, responsiveness, and measurement error, in Turkish-speaking patients with hip osteoarthritis.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

## Detailed Description

Hip osteoarthritis (HOA) is one of the leading causes of pain, disability, and reduced health-related quality of life among older adults worldwide. Patient-reported outcome measures (PROMs) are essential for evaluating symptoms, functional limitations, treatment effectiveness, and patient-centered outcomes in both clinical practice and research. The Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) is a concise, multidimensional PROM developed to assess pain, physical function, and hip-related quality of life while substantially reducing respondent burden compared with the original HOOS questionnaire.

Although the HOOS-12 has been validated in several languages and populations, no culturally adapted and psychometrically validated Turkish version is currently available. The absence of a validated Turkish HOOS-12 limits its use in clinical practice, multicenter studies, and international research involving Turkish-speaking patients with hip osteoarthritis. Therefore, a rigorous cross-cultural adaptation and psychometric evaluation is required before the instrument can be recommended for clinical and research applications in Türkiye.

The primary objective of this study is to translate and culturally adapt the HOOS-12 into Turkish and to evaluate its psychometric properties in patients with hip osteoarthritis who are scheduled to undergo primary total hip arthroplasty. The translation and cross-cultural adaptation process will be conducted in accordance with internationally accepted guidelines for patient-reported outcome measures, including forward translation, synthesis, backward translation, expert committee review, and pilot testing to ensure semantic, idiomatic, experiential, and conceptual equivalence between the original and Turkish versions.

Following the adaptation process, the psychometric performance of the Turkish HOOS-12 will be evaluated according to the COSMIN recommendations. Internal consistency will be assessed using Cronbach's alpha, while test-retest reliability will be examined using the intraclass correlation coefficient (ICC) in clinically stable participants who complete the questionnaire twice before surgery without any therapeutic intervention between assessments. Measurement error will be determined by calculating the standard error of measurement (SEM) and the minimal detectable change (MDC). Structural validity will be evaluated using confirmatory factor analysis (CFA). Construct validity will be examined by testing predefined hypotheses regarding the relationships between the Turkish HOOS-12 and the Short Form-12 Health Survey (SF-12). Floor and ceiling effects will also be investigated.

To determine responsiveness, participants will complete the Turkish HOOS-12 and SF-12 before surgery and again three months after primary total hip arthroplasty. Changes in questionnaire scores over time will be analyzed to evaluate the instrument's ability to detect clinically meaningful improvement following surgical treatment.

The results of this study are expected to provide a reliable, valid, and responsive Turkish version of the HOOS-12 for evaluating patient-reported outcomes in individuals with hip osteoarthritis. The availability of this instrument will facilitate standardized outcome assessment in routine clinical practice, clinical trials, and multicenter research involving Turkish-speaking populations.

Tipo di studio

Osservativo

Iscrizione (Stimato)

150

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

N/A

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

The study population will consist of Turkish-speaking adults diagnosed with primary hip osteoarthritis who are scheduled to undergo primary total hip arthroplasty at the Department of Orthopedics and Traumatology. Eligible participants will be recruited consecutively during routine preoperative outpatient visits. Participants will complete the Turkish version of the Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) and the Short Form-12 Health Survey (SF-12) before surgery. A subgroup of clinically stable participants will complete the HOOS-12 again seven days after the initial assessment to evaluate test-retest reliability. All participants will be reassessed three months after surgery to evaluate the responsiveness of the Turkish HOOS-12.

Descrizione

Inclusion Criteria:

  • Age 18 years or older.
  • Native Turkish speaker or able to read and understand Turkish fluently.
  • Diagnosed with primary hip osteoarthritis based on clinical and radiographic evaluation.
  • Scheduled to undergo primary total hip arthroplasty.
  • Able to complete the study questionnaires independently or with standardized assistance.
  • Clinically stable during the test-retest period.
  • Willing to participate in the study and provide written informed consent.

Exclusion Criteria:

  • Previous total hip arthroplasty on the affected side.
  • Scheduled for revision hip arthroplasty.
  • Hip arthroplasty indicated for conditions other than primary hip osteoarthritis, including hip fracture, inflammatory arthritis, avascular necrosis, congenital hip disorders, or malignancy.
  • History of major lower-extremity surgery within the previous six months.
  • Neurological or neuromuscular disorders that may substantially affect mobility or lower-extremity function.
  • Severe cognitive impairment, psychiatric disorder, or communication difficulty that prevents reliable questionnaire completion.
  • Severe visual or hearing impairment that prevents completion of the assessment procedures.
  • Presence of another acute musculoskeletal condition that substantially affects pain or physical function.
  • Any therapeutic intervention, significant change in medication, acute clinical deterioration, or surgery occurring between the baseline and test-retest assessments.
  • Incomplete questionnaire data or inability to complete the planned follow-up assessments.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

Coorti e interventi

Gruppo / Coorte
Intervento / Trattamento
Patients with Hip Osteoarthritis
Adults with clinically and/or radiographically diagnosed hip osteoarthritis who are scheduled to undergo primary total hip arthroplasty. Participants will complete the Turkish version of the Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) and the Short Form-12 Health Survey (SF-12) before surgery. A subset of clinically stable participants will complete the HOOS-12 again after 7 days for test-retest reliability assessment. Participants will also complete the HOOS-12 and SF-12 three months after surgery to evaluate responsiveness.
Participants will complete the Turkish version of the Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) and the Short Form-12 Health Survey (SF-12) at predefined assessment time points. No therapeutic intervention will be assigned or administered as part of this observational study. Primary total hip arthroplasty will be performed as part of routine clinical care and will not be assigned by the investigators.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Internal Consistency of the Turkish HOOS-12
Lasso di tempo: Baseline
Internal consistency of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be assessed using Cronbach's alpha coefficient. The HOOS-12 is a 12-item patient-reported outcome measure assessing hip-related pain, physical function, and hip-related quality of life. The HOOS-12 summary score ranges from 0 to 100, where 0 represents the worst possible hip-related health and 100 represents the best possible hip-related health. Higher scores indicate better hip-related health. Internal consistency will be evaluated using baseline data.
Baseline
Test-Retest Reliability
Lasso di tempo: Baseline and Day 7
Test-retest reliability of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be assessed in clinically stable participants who complete the questionnaire at baseline and again on Day 7. The HOOS-12 summary score ranges from 0 to 100, where 0 represents the worst possible hip-related health and 100 represents the best possible hip-related health. Higher scores indicate better hip-related health. Test-retest reliability will be evaluated using the intraclass correlation coefficient (ICC). Participants with a substantial therapeutic intervention or clinically relevant change in their condition between the two assessments will not be included in the test-retest reliability analysis.
Baseline and Day 7
Construct Validity With SF-12 Physical Component Summary
Lasso di tempo: Baseline
Construct validity of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be evaluated by examining the correlation between the HOOS-12 summary score and the Physical Component Summary (PCS) score of the 12-Item Short Form Health Survey (SF-12), according to a predefined hypothesis. Higher scores on both measures indicate better health status.
Baseline
Construct Validity With SF-12 Mental Component Summary
Lasso di tempo: Baseline
Construct validity of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be evaluated by examining the correlation between the HOOS-12 summary score and the Mental Component Summary (MCS) score of the 12-Item Short Form Health Survey (SF-12), according to a predefined hypothesis. Higher scores on both measures indicate better health status.
Baseline
Structural Validity
Lasso di tempo: Baseline
Structural validity of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be evaluated using confirmatory factor analysis (CFA). The HOOS-12 consists of 12 items assessing hip-related pain, physical function, and quality of life. The HOOS-12 summary score ranges from 0 to 100, where 0 represents the worst possible hip-related health and 100 represents the best possible hip-related health. Higher scores indicate better hip-related health. Model fit will be evaluated using the Comparative Fit Index (CFI), Tucker-Lewis Index (TLI), Root Mean Square Error of Approximation (RMSEA), and Standardized Root Mean Square Residual (SRMR). CFI, TLI, RMSEA, and SRMR will be interpreted jointly as complementary model-fit indices to evaluate the overall fit of the prespecified measurement model rather than as separate outcome measures.
Baseline
Responsiveness
Lasso di tempo: From baseline until primary total hip arthroplasty, assessed up to 12 months; responsiveness assessed 3 months after surgery.
Responsiveness will be evaluated in participants who undergo primary total hip arthroplasty within 12 months after baseline assessment. The Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be administered before surgery and again 3 months after surgery. The HOOS-12 summary score ranges from 0 to 100, with higher scores indicating better hip-related health. Changes in scores will be used to evaluate the ability of the Turkish HOOS-12 to detect clinically meaningful change.
From baseline until primary total hip arthroplasty, assessed up to 12 months; responsiveness assessed 3 months after surgery.

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Standard Error of Measurement of the Turkish HOOS-12
Lasso di tempo: Baseline and Day 7
Measurement error of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be quantified using the Standard Error of Measurement (SEM), based on scores obtained from clinically stable participants at baseline and Day 7.
Baseline and Day 7
Minimal Detectable Change of the Turkish HOOS-12
Lasso di tempo: Baseline and Day 7
The Minimal Detectable Change at the 95% confidence level (MDC95) of the Turkish Hip Disability and Osteoarthritis Outcome Score-12 (HOOS-12) will be calculated using scores obtained from clinically stable participants at baseline and Day 7.
Baseline and Day 7
Floor Effect of the Turkish HOOS-12
Lasso di tempo: Baseline
The floor effect will be determined as the percentage of participants achieving the minimum possible HOOS-12 summary score of 0 at baseline.
Baseline
Ceiling Effect of the Turkish HOOS-12
Lasso di tempo: Baseline
The ceiling effect will be determined as the percentage of participants achieving the maximum possible HOOS-12 summary score of 100 at baseline.
Baseline
Physical Health-Related Quality of Life
Lasso di tempo: Baseline and Month 3
Physical health-related quality of life will be assessed using the Physical Component Summary (PCS) score of the 12-Item Short Form Health Survey (SF-12). Higher PCS scores indicate better physical health-related quality of life.
Baseline and Month 3
Mental Health-Related Quality of Life
Lasso di tempo: Baseline and Month 3
Mental health-related quality of life will be assessed using the Mental Component Summary (MCS) score of the 12-Item Short Form Health Survey (SF-12). Higher MCS scores indicate better mental health-related quality of life.
Baseline and Month 3

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 settembre 2026

Completamento primario (Stimato)

1 settembre 2027

Completamento dello studio (Stimato)

1 dicembre 2027

Date di iscrizione allo studio

Primo inviato

31 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

17 agosto 2026

Primo Inserito (Effettivo)

18 agosto 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

18 agosto 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

17 agosto 2026

Ultimo verificato

1 agosto 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • HOOS-12 Turkish
  • Selcuk University (Identificatore di registro: Selcuk University)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Descrizione del piano IPD

Individual Participant Data (IPD) will not be shared.

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .