Translation and Validation of Forgotten Joint Score for Total Hip Arthroplasty for Indian Population
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ORIGINAL ARTICLE
Translation and Validation of Forgotten Joint Score for Total Hip Arthroplasty for Indian Population Siddharth S. Sethy1 · Tarun Goyal2 · Souvik Paul1 · S. Lakshmana Das1 · Arghya Kundu Choudhury1 · Roop Bhushan Kalia1 Received: 13 May 2020 / Accepted: 6 August 2020 / Published online: 17 August 2020 © Indian Orthopaedics Association 2020
Abstract Background The ultimate success of a total hip replacement lies in patients forgetting about their artificial joints during routine activities. “Forgotten Joint Score (FJS)” is emerging as an important tool in assessing outcomes of total hip arthroplasty. There has been no version of this score available in commonly spoken vernaculars in India. This study aims to formulate and validate the Hindi version of FJS in Indian population. Methods A total of 136 patients with a minimum follow-up of 6 months and a maximum follow-up of 18 months after total hip arthroplasty were asked to fill the translated and adapted version of FJS questionnaire, at two points of time 2 weeks apart. The Hindi version of FJS (I-FJS) was tested for reliability and responsiveness, floor and ceiling effect and validity against modified Harris Hip Score (mHHS). Construct validity was expressed as the Pearson correlation coefficient. Internal consistency was expressed as Cronbach’s alpha and test–retest reliability as the intra-class correlation coefficient (ICC). Results I-FJS showed excellent internal consistency with Cronbach’s alpha of 0.88. Intra-class correlation coefficient (ICC) was 0.94. I-FJS showed good correlation with m-HHS (r = 0.8, p = 0.001). The standard error of measurement was 3.6 and the smallest detectable change was 9.97. There was no floor or ceiling effect observed with I-FJS. Data from this study were insufficient to establish adequate responsiveness of I-FJS. Conclusion I-FJS is a valid, reliable and reproducible score for hip function in post-THA patients. It is devoid of any floor or ceiling effect. Hindi version of FJS could be an effective tool for studying hip function in the Indian population. Keywords Harris hip score · Forgotten Joint Score · Patient-reported outcome · Total hip arthroplasty · Functional outcomes
Introduction * Tarun Goyal [email protected] Siddharth S. Sethy [email protected] Souvik Paul [email protected] S. Lakshmana Das [email protected] Arghya Kundu Choudhury [email protected] Roop Bhushan Kalia [email protected] 1
Department of Orthopaedics, All India Institute of Medical Sciences, Rishikesh, Rishikesh, India
Department of Orthopaedics, All India Institute of Medical Sciences, Bathinda, Bathinda, Punjab 151001, India
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Total hip arthroplasty (THA) is considered as the treatment of choice in end-stage arthritis of hip joint [1–3]. The etiology of disease of hip joint may be inflammatory, degenerative, infective, or osteonecrosis of the femoral head. THA has provided excellent results in terms of patient satisfaction and functional improvement, ir
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