Construct Validity and Test Re-Test Reliability of the Forgotten Joint Score

Thompson, S.M.; Salmon, Lucy J.; Webb, Justin M.; Pinczewski, Leo A.; Roe, Justin

doi:10.1016/j.arth.2015.05.001

Cited by 66 publications

(52 citation statements)

References 10 publications

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“…Similar to the original FJS-12 [17], it was assumed that the WOMAC, which is widely used in Italy, would be a good tool with which to compare the FJS-12. However, unlike the high correlation between FJS-12 and WOMAC seen in previous studies previous studies [13,27], we found only a moderate correlation between the two functional scores. The differences in the phrasing of the items among the two questionnaires makes it unsurprising that only a modest correlation would be found.…”

Section: Discussioncontrasting

confidence: 99%

“…Moreover, as the number of younger patients with increased expectations is growing, instruments with which to measure outcomes must adapt to better distinguish between good and excellent results. The original FJS-12 paper [13] as well as several other validations studies [17,18,27] found no relevant ceiling effects. In our study of 120 patients, acceptably low ceiling and floor effects were found.…”

Section: Discussionmentioning

confidence: 89%

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Translation, cross-cultural adaptation, and validation of the Italian language Forgotten Joint Score-12 (FJS-12) as an outcome measure for total knee arthroplasty in an Italian population

Sansone

Fennema²,

Applefield

et al. 2020

BMC Musculoskelet Disord

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Background: With ever-increasing numbers of patients undergoing elective total knee arthroplasty (TKA) and as TKA is performed in increasingly younger patients, patient demands and expectations have also increased. With improved patient outcomes, new PROMs with heightened discriminatory power in well-performing patients are needed. The present study aimed to translate and validate the Italian version of the Forgotten Joint Score (FJS-12) as a tool for evaluating pre-operative through longitudinal post-operative outcomes in an Italian population. Methods: In this prospective study, patients with unilateral osteoarthritis, undergoing TKA surgery between May 2015 and December 2017 were recruited to participate in the study. The FJS-12 and WOMAC were collected pre-operatively and at six and 12 months post-operatively. According to the COSMIN checklist, reliability, internal consistency, validity, responsiveness, effect size, and ceiling effects and floor effects were evaluated.Results: One hundred twenty patients completed the study, 66 of which participated in the evaluation of test-retest reliability. Good test-retest reliability was found (ICC = 0.90). The FJS-12 also showed excellent internal consistency (Cronbach α = 0.81). Construct validity with the WOMAC, as a measure of the Pearson correlation coefficient, was moderate (r = 0.45 pre-operatively; r = 0.46 at 6 months and r = 0.42 at 12 months post-operatively). From six to 12 months, the change was slightly greater for the WOMAC than for the FJS-12 patients (effect size d = 0.94; d = 0.75, respectively). At 12-months follow-up, the ceiling effects reflecting the maximum score were 12% for the FJS-12 and 6% for the WOMAC; however, scores within 10% of the maximum score were comprised 30% of the FJS-12 scores and 59% for the WOMAC.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 89%

Translation, cross-cultural adaptation, and validation of the Italian language Forgotten Joint Score-12 (FJS-12) as an outcome measure for total knee arthroplasty in an Italian population

Sansone

Fennema²,

Applefield

et al. 2020

BMC Musculoskelet Disord

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“…SC-FJS showed perfect internal consistency (Cronbach’s alpha = 0.907) and test-retest reliability (ICC = 0.970), which was consistent with other cross-cultural adaptation studies and original study for FJS [9, 11, 25, 26]. The lowest ICC value presented to item 4 (“Are you aware of your artificial knee when taking a bath/shower?”, ICC = 0.86).…”

Section: Discussionsupporting

confidence: 83%

Simplified Chinese version of the Forgotten Joint Score (FJS) for patients who underwent joint arthroplasty: cross-cultural adaptation and validation

et al. 2017

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BackgroundThe 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).MethodsCross-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).ResultsEach 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 <0.80. SC-FJS had a high correlation with symptoms (0.67, p < 0.001) and pain (0.60, p < 0.001) domains of KOOS and social functioning (0.66, p < 0.001) domain of SF-36, and it also moderately correlated with function in daily living (0.53, p < 0.001) and function in sport and recreation (0.40, p < 0.001) domains of KOOS, and physical subscale of SF-36 (0.49–0.53, p < 0.001) but had a low (r = 0.20) or not significant (p > 0.05) correlation with mental subscale of SF-36.ConclusionsSC-FJS demonstrated excellent acceptability, internal consistency, reliability, and construct validity, which can be recommended for patients who underwent joint arthroplasty in Mainland China.Electronic supplementary materialThe online version of this article (doi:10.1186/s13018-016-0508-5) contains supplementary material, which is available to authorized users.

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“…Therefore, the correlations between the FJS-12 and the KOOS are expected to be at least moderate but not absolute. We found moderate to excellent correlations (r = 0.62-0.84), findings that are similar to those found by Cao et al (2017) and Thompson et al (2015), who reported strong correlations between the FJS-12 and the KOOS. We found the strongest correlation between the FJS-12 and the KOOS domain QoL.…”

Section: Construct Validitysupporting

confidence: 90%

“…al. 2012, Thompson et al 2015, Baumann et al 2016, Shadid et al 2016, Thomsen et al 2016, Cao et al 2017, Hamilton et al 2017, Robinson et al 2018). However, the FJS-12 has not yet been validated for Swedish knee arthroplasty patients.…”

mentioning

confidence: 99%

The Forgotten Joint Score-12 in Swedish patients undergoing knee arthroplasty: a validation study with the Knee Injury and Osteoarthritis Outcome Score (KOOS) as comparator

et al. 2019

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Construct Validity and Test Re-Test Reliability of the Forgotten Joint Score

Cited by 66 publications

References 10 publications

Translation, cross-cultural adaptation, and validation of the Italian language Forgotten Joint Score-12 (FJS-12) as an outcome measure for total knee arthroplasty in an Italian population

Translation, cross-cultural adaptation, and validation of the Italian language Forgotten Joint Score-12 (FJS-12) as an outcome measure for total knee arthroplasty in an Italian population

Simplified Chinese version of the Forgotten Joint Score (FJS) for patients who underwent joint arthroplasty: cross-cultural adaptation and validation

The Forgotten Joint Score-12 in Swedish patients undergoing knee arthroplasty: a validation study with the Knee Injury and Osteoarthritis Outcome Score (KOOS) as comparator

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