Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty

Background and purpose: Measuring patient satisfaction after total hip (THA) and total knee arthroplasty (TKA) is important. We aimed to cross-culturally adapt and examine the psychometric properties of the self-reported Goodman Satisfaction Score (GSS) in a sample of Norwegian patients following p...

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Main Authors: Ingvild Buset Bergvad, Anders Kottorp, Arild Aamodt, Anners Lerdal, Søren T Skou, Maren Falch Lindberg
Format: Article
Language:English
Published: Medical Journals Sweden 2025-01-01
Series:Acta Orthopaedica
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Online Access:https://actaorthop.org/actao/article/view/42703
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author Ingvild Buset Bergvad
Anders Kottorp
Arild Aamodt
Anners Lerdal
Søren T Skou
Maren Falch Lindberg
author_facet Ingvild Buset Bergvad
Anders Kottorp
Arild Aamodt
Anners Lerdal
Søren T Skou
Maren Falch Lindberg
author_sort Ingvild Buset Bergvad
collection DOAJ
description Background and purpose: Measuring patient satisfaction after total hip (THA) and total knee arthroplasty (TKA) is important. We aimed to cross-culturally adapt and examine the psychometric properties of the self-reported Goodman Satisfaction Score (GSS) in a sample of Norwegian patients following primary THA and TKA. Methods: The GSS was translated and adapted into Norwegian (GSS-NO) following standard guidelines. 800 patients from the Norwegian Arthroplasty Register who had undergone surgery 6–11 months prior were invited to complete GSS-NO and questions on sociodemographic factors, pain, and function in a cross-sectional study. We examined validity in relation to internal structure, response processes, and precision using Rasch analysis, relationships between the GSS-NO and pain and function using Pearson’s correlation coefficients, and test–retest reliability using linear weighted kappa statistics. Results: The GSS-NO was adapted with few challenges. 404 patients (49% THA, 51% TKA) returned complete answers. The GSS-NO met all criteria regarding the rating scale functioning. Local independence among items and unidimensionality was supported and there was acceptable goodness-of-fit. The internal consistency was 0.94. We found no systematic differential item functioning by age, sex, work status, education, cohabitation status, or hip or knee surgery. The correlation coefficients between GSS-NO and pain and function outcomes were 0.79 (95% confidence interval [CI] 0.76–0.82) and 0.79 (CI 0.76–0.82), respectively. Test–retest reliability with weighted kappa ranged from 0.43–0.55 for THA and 0.54–0.81 for TKA. Conclusion: The cross-cultural adaptation of GSS-NO proved to be a valid and reliable measure for use in Norwegian-speaking patients following primary THA and TKA.
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spelling doaj-art-bd57ac432d78478d9b005a0dfe947c742025-01-13T13:39:13ZengMedical Journals SwedenActa Orthopaedica1745-36741745-36822025-01-019610.2340/17453674.2024.42703Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplastyIngvild Buset Bergvad 0https://orcid.org/0009-0000-4264-4574Anders Kottorp1Arild Aamodt2https://orcid.org/0000-0002-2879-9382Anners Lerdal3https://orcid.org/0000-0002-7144-5096Søren T Skou4https://orcid.org/0000-0003-4336-7059Maren Falch Lindberg5https://orcid.org/0000-0003-2074-2071Department of Surgery, Lovisenberg Diaconal Hospital, Oslo; Department of Interdisciplinary Health Sciences, Institute of Health and Society, Faculty of Medicine, University of Oslo, NorwayFaculty of Health and Society, Malmö University, Malmö, SwedenDepartment of Surgery, Lovisenberg Diaconal Hospital, Oslo, NorwayDepartment of Surgery, Lovisenberg Diaconal Hospital, Oslo; Department of Interdisciplinary Health Sciences, Institute of Health and Society, Faculty of Medicine, University of Oslo, NorwayThe Research and Implementation Unit PROgrez, Department of Physiotherapy and Occupational Therapy, Næstved-Slagelse-Ringsted Hospitals, Slagelse; Research Unit for Musculoskeletal Function and Physiotherapy, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, DenmarkDepartment of Surgery, Lovisenberg Diaconal Hospital, Oslo; Department of Public Health Science, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway Background and purpose: Measuring patient satisfaction after total hip (THA) and total knee arthroplasty (TKA) is important. We aimed to cross-culturally adapt and examine the psychometric properties of the self-reported Goodman Satisfaction Score (GSS) in a sample of Norwegian patients following primary THA and TKA. Methods: The GSS was translated and adapted into Norwegian (GSS-NO) following standard guidelines. 800 patients from the Norwegian Arthroplasty Register who had undergone surgery 6–11 months prior were invited to complete GSS-NO and questions on sociodemographic factors, pain, and function in a cross-sectional study. We examined validity in relation to internal structure, response processes, and precision using Rasch analysis, relationships between the GSS-NO and pain and function using Pearson’s correlation coefficients, and test–retest reliability using linear weighted kappa statistics. Results: The GSS-NO was adapted with few challenges. 404 patients (49% THA, 51% TKA) returned complete answers. The GSS-NO met all criteria regarding the rating scale functioning. Local independence among items and unidimensionality was supported and there was acceptable goodness-of-fit. The internal consistency was 0.94. We found no systematic differential item functioning by age, sex, work status, education, cohabitation status, or hip or knee surgery. The correlation coefficients between GSS-NO and pain and function outcomes were 0.79 (95% confidence interval [CI] 0.76–0.82) and 0.79 (CI 0.76–0.82), respectively. Test–retest reliability with weighted kappa ranged from 0.43–0.55 for THA and 0.54–0.81 for TKA. Conclusion: The cross-cultural adaptation of GSS-NO proved to be a valid and reliable measure for use in Norwegian-speaking patients following primary THA and TKA. https://actaorthop.org/actao/article/view/42703ArthroplastyHipKneeSatisfactionValidation
spellingShingle Ingvild Buset Bergvad
Anders Kottorp
Arild Aamodt
Anners Lerdal
Søren T Skou
Maren Falch Lindberg
Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
Acta Orthopaedica
Arthroplasty
Hip
Knee
Satisfaction
Validation
title Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
title_full Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
title_fullStr Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
title_full_unstemmed Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
title_short Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty
title_sort cross cultural adaptation and validation of a norwegian version of the goodman satisfaction score gss no for patients with total hip and knee arthroplasty
topic Arthroplasty
Hip
Knee
Satisfaction
Validation
url https://actaorthop.org/actao/article/view/42703
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