Unicompartmental knee arthroplasty: the Italian version of the Forgotten Joint Score-12 is valid and reliable to assess prosthesis awareness

Abstract

Purpose Unicompartmental Knee Arthroplasty (UKA) recorded an increased incidence of around 30% per year in the United States. Patient's experience and satisfaction after surgery were traditionally assessed by pre, and post-surgical scores and Patient-Reported Outcome Measures (PROMs) scales. Traditional scales as Western Ontario and McMaster University Osteoarthritis Index (WOMAC) and Oxford Knee Score (OKS) reported high ceiling efect. Patients treated by UKA usually perform well; therefore, it is necessary to have a PROMs' scale with a low ceiling efect as the Forgotten Joint Score-12 (FJS-12). PROMs have to be validated in the local language to be used. This study aims to perform a psychometric validation of the Italian version of FJS-12 for UKA for the irst time.Methods Between January 2019 and October 2019, 44 patients were included. Each patient completed both the FJS-12 Italian version and the WOMAC Italian version in preoperative follow-up, after 2-week and 1-month, 3-month, and 6-month postoperative follow-up. Cronbach's α, intraclass correlation coeicient (ICC), standard error of measurement (SEM), and minimal detectable change (MDC) were calculated to evaluate the reliability. The Pearson coeicient was used to assess validity. The Efect Size (ES) was used to test the responsiveness. ResultsA range of Cronbach's α between 0.90 and 0.95 indicated good internal consistency for the FJS-12. The test-retest reliability was acceptable (i.e., the ICC was higher than 0.7) at each follow-up. The Pearson correlation coeicient between the FJS-12 and WOMAC was − 0.11 (n.s.) at preoperative follow-up, r = 0.47 (P = 0.001) at 1 month, r = 0.57 (P < 0.001) at 3 months, and r = 0.57 (P < 0.001) at 6 months. Therefore, except for the preoperative period, the validity of the FJS-12 score was assessed. ConclusionThe FJS-12 represents a valid and reliable tool with a low ceiling efect to assess the outcomes improvement in UKA patients. Therefore, validating and translating this score in diferent languages could help perform more accurate studies on outcomes after UKA. Level III, diagnostic study. Level of evidence

A Modified Version of the Forgotten Joint Score–12 in Lower Limb Amputees: Validity and Reliability Study

“…The ICC obtained in the current study showed that the scale had a high level of reliability. When the literature was reviewed, the results were seen to be similar to those of the reliability tests performed in knee-hip arthroplasty (Longo et al, 2022; Thompson et al, 2015) and femoroacetabular impingement syndrome (Vermeijden et al, 2021) patient groups, in which the test–retest method was used to measure the reliability of FJS-12. These results of this study demonstrate that the scale is a reliable assessment tool and that the same results will be obtained in the consistent and repeated measurements of the FJS-12 items.…”

Influence of Depression and Sleep Quality on Postoperative Outcomes after Total Hip Arthroplasty: A Prospective Study

“…The FJS-12 is an outcome questionnaire designed to evaluate joint awareness [16]. It was translated and validated in the Italian language [17]. This survey consists of 12 questions with a five-point Likert response format that is summed to obtain scores ranging from 12 to 60 [16].…”

Prioritizing Health Equity in Patient-reported Outcome Measurement to Improve Surgical Care

“…19,20 Improving data collection efficiency, allows surgeons and researchers in the US to consider multi-institutional and multi-national collaboration not only to learn from institutions who routinely utilize PROMs, but also to obtain more cultural and linguistically validated instruments for patients in the US. [21][22][23][24][25] The implementation of PROMs has evolved to include mobile health technology and direct integration into the electronic health record. As technology evolves, we must consider who has access to mobile health technology and how to use this technology as a tool to capture PROs.…”