Simplified Chinese version of the Forgotten Joint Score (FJS) for patients who underwent joint arthroplasty: cross-cultu
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RESEARCH ARTICLE
Open Access
Simplified Chinese version of the Forgotten Joint Score (FJS) for patients who underwent joint arthroplasty: cross-cultural adaptation and validation Shiqi Cao†, Ning Liu†, Wuxiang Han†, Yunpeng Zi, Fan Peng, Lexiang Li, Qiwei Fu, Yi Chen, Weijie Zheng and Qirong Qian*
Abstract Background: The Forgotten Joint Score (FJS) is a newly developed health-related quality of life (HRQoL) questionnaire designed to evaluate the awareness after total knee arthroplasty (TKA). This study cross-culturally adapted and psychometrically validated a simplified Chinese version of the FJS (SC-FJS). Methods: Cross-cultural adaptation was performed according to the internationally recognized guidelines. One-hundred and fifty participants who underwent primary TKA were recruited in this study. Cronbach’s α and intra-class correlations were used to determine reliability. Construct validity was analyzed by evaluating the correlations between SC-FJS and the Knee Injury and Osteoarthritis Outcome Score (KOOS) and the short form (36) health survey (SF-36). Results: Each of the 12 items was properly responded and correlated with the total items. SC-FJS had excellent reliability [Cronbach’s α = 0.907, intra-class correlation coefficient (ICC) = 0.970, 95% CI 0.959–0.978). Elimination of any one item in all did not result in a value of Cronbach’s α of 0.05) correlation with mental subscale of SF-36. Conclusions: SC-FJS demonstrated excellent acceptability, internal consistency, reliability, and construct validity, which can be recommended for patients who underwent joint arthroplasty in Mainland China. Keywords: Forgotten Joint Score, Arthroplasty, Reliability, Validity, Quality of life
Background Total knee arthroplasty (TKA) has proven to be a successful and effective treatment for end-stage arthritis and other knee disorders [1, 2]. As TKA has been performed more than one million a year, the patients’ postoperative subjective perception should draw greater attention.
* Correspondence: [email protected] † Equal contributors Joint Surgery and Sports Medicine Department, Changzheng Hospital, Second Military Medical University, No. 415, Fengyang Road, Huangpu District, Shanghai 200003, People’s Republic of China
From the 1980s, a large body of researches have been devoted to the development of health-related quality of life (HRQoL) questionnaires [3]. HRQoL questionnaires are patient-based questionnaires filled by the patients themselves for a better understanding of their disorder severity and more appropriate therapeutic approach [4]. Although many scoring systems have been applied to patients in different countries and cultural background, this need has become more essential with the growing number of multicenter and multinational studies [3], which provide more statistic power of randomized controlled trials [5]. When one reliable, valid questionnaire
© The Author(s). 2017 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommo
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