Forgotten Joint Score for early outcome assessment after total knee arthroplasty: Is it really useful?

Background: Forgotten Joint Score (FJS) has become a popular tool for total knee arthroplasty (TKA), but almost all studies had assessment performed 1 year after surgery. There is a need for a sensitive tool for earlier outcome assessment. The aim of this study was to investigate the usefulness of F...

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Veröffentlicht in:Knee surgery & related research 2020-12, Vol.32, p.1
Hauptverfasser: Lee Qunn Jid, Chang Wai Yee Esther, Wong Yiu Chung
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Wong Yiu Chung
description Background: Forgotten Joint Score (FJS) has become a popular tool for total knee arthroplasty (TKA), but almost all studies had assessment performed 1 year after surgery. There is a need for a sensitive tool for earlier outcome assessment. The aim of this study was to investigate the usefulness of FJS within the first year after TKA. Methods: This was a cross-sectional study. Patients within the first year after primary TKA were recruited. FJS was translated into the local language with a cross-cultural adaptation and was validated by assessing the correlation with the Western Ontario and McMaster Universities Arthritis Index score (WOMAC). Ceiling and floor effects (highest or lowest 10% or 15%) of both scores were compared. Skewness of scores was assessed with a histogram. Results: One hundred sixty-three subjects were recruited: 84 (51.5%) had evaluation at 3 months after the operation, 56 (34.4%) at 6 months, and 23 (14.1%) at 12 months. FJS had fewer patients at the highest 10% (10.7% vs. 16.1%, P = 0.046) or 15% (19.6% vs. 32.1%, P = 0.027) at 6 months and within the first year overall (6.7% vs. 13.5%, P
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There is a need for a sensitive tool for earlier outcome assessment. The aim of this study was to investigate the usefulness of FJS within the first year after TKA. Methods: This was a cross-sectional study. Patients within the first year after primary TKA were recruited. FJS was translated into the local language with a cross-cultural adaptation and was validated by assessing the correlation with the Western Ontario and McMaster Universities Arthritis Index score (WOMAC). Ceiling and floor effects (highest or lowest 10% or 15%) of both scores were compared. Skewness of scores was assessed with a histogram. Results: One hundred sixty-three subjects were recruited: 84 (51.5%) had evaluation at 3 months after the operation, 56 (34.4%) at 6 months, and 23 (14.1%) at 12 months. FJS had fewer patients at the highest 10% (10.7% vs. 16.1%, P = 0.046) or 15% (19.6% vs. 32.1%, P = 0.027) at 6 months and within the first year overall (6.7% vs. 13.5%, P <0.001; 14.1% vs. 22.7%, P <0.001). Also, it had more patients at the lowest 10% (16.7% vs. 0%, P <0.001) or 15% (21.4% vs. 0%, P < 0.001) at 3 months, 6 months (10.7% vs. 0%, P <0.001), and overall (12.9% vs. 0%, P <0.001; 16.6% vs. 0%, P <0.001). The skewness was much less than WOMAC (0.09 vs. -0.56). Conclusions: FJS has a low ceiling effect but a high floor effect in the first year after TKA. Such characteristics make it less useful for the general assessment of early patient report outcome after operation.]]></description><identifier>ISSN: 2234-0726</identifier><language>kor</language><publisher>대한슬관절학회</publisher><subject>Ceiling effect ; Early results ; Floor effect ; Forgotten Joint Score ; Patient report outcome ; Total knee arthroplasty</subject><ispartof>Knee surgery &amp; related research, 2020-12, Vol.32, p.1</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Lee Qunn Jid</creatorcontrib><creatorcontrib>Chang Wai Yee Esther</creatorcontrib><creatorcontrib>Wong Yiu Chung</creatorcontrib><title>Forgotten Joint Score for early outcome assessment after total knee arthroplasty: Is it really useful?</title><title>Knee surgery &amp; related research</title><addtitle>Knee Surgery and Related Research (Knee Surg Relat Res)</addtitle><description><![CDATA[Background: Forgotten Joint Score (FJS) has become a popular tool for total knee arthroplasty (TKA), but almost all studies had assessment performed 1 year after surgery. There is a need for a sensitive tool for earlier outcome assessment. The aim of this study was to investigate the usefulness of FJS within the first year after TKA. Methods: This was a cross-sectional study. Patients within the first year after primary TKA were recruited. FJS was translated into the local language with a cross-cultural adaptation and was validated by assessing the correlation with the Western Ontario and McMaster Universities Arthritis Index score (WOMAC). Ceiling and floor effects (highest or lowest 10% or 15%) of both scores were compared. Skewness of scores was assessed with a histogram. Results: One hundred sixty-three subjects were recruited: 84 (51.5%) had evaluation at 3 months after the operation, 56 (34.4%) at 6 months, and 23 (14.1%) at 12 months. FJS had fewer patients at the highest 10% (10.7% vs. 16.1%, P = 0.046) or 15% (19.6% vs. 32.1%, P = 0.027) at 6 months and within the first year overall (6.7% vs. 13.5%, P <0.001; 14.1% vs. 22.7%, P <0.001). Also, it had more patients at the lowest 10% (16.7% vs. 0%, P <0.001) or 15% (21.4% vs. 0%, P < 0.001) at 3 months, 6 months (10.7% vs. 0%, P <0.001), and overall (12.9% vs. 0%, P <0.001; 16.6% vs. 0%, P <0.001). The skewness was much less than WOMAC (0.09 vs. -0.56). Conclusions: FJS has a low ceiling effect but a high floor effect in the first year after TKA. Such characteristics make it less useful for the general assessment of early patient report outcome after operation.]]></description><subject>Ceiling effect</subject><subject>Early results</subject><subject>Floor effect</subject><subject>Forgotten Joint Score</subject><subject>Patient report outcome</subject><subject>Total knee arthroplasty</subject><issn>2234-0726</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9izEOgkAQAK_QRKO-wGY_QAIcitpYGInaam9Os6cXD5bsLgW_l8LaaoqZGZlpntsiSct8PTELkfBIV2lpizIvpsZXxC9SxQYuFBqF65MYwRMDOo49UKdPqhGcCIrUOCTOKzIoqYvwaXBwrG-mNjrRfgdngaDA6OKwd4K-i_u5GXsXBRc_zsyyOt4Op-QTRO4th9pxf7cbm2Xbjf1vv7ONQiA</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Lee Qunn Jid</creator><creator>Chang Wai Yee Esther</creator><creator>Wong Yiu Chung</creator><general>대한슬관절학회</general><scope>HZB</scope><scope>Q5X</scope></search><sort><creationdate>20201201</creationdate><title>Forgotten Joint Score for early outcome assessment after total knee arthroplasty: Is it really useful?</title><author>Lee Qunn Jid ; Chang Wai Yee Esther ; Wong Yiu Chung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-kiss_primary_38311983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>2020</creationdate><topic>Ceiling effect</topic><topic>Early results</topic><topic>Floor effect</topic><topic>Forgotten Joint Score</topic><topic>Patient report outcome</topic><topic>Total knee arthroplasty</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee Qunn Jid</creatorcontrib><creatorcontrib>Chang Wai Yee Esther</creatorcontrib><creatorcontrib>Wong Yiu Chung</creatorcontrib><collection>Korean Studies Information Service System (KISS)</collection><collection>Korean Studies Information Service System (KISS) B-Type</collection><jtitle>Knee surgery &amp; related research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee Qunn Jid</au><au>Chang Wai Yee Esther</au><au>Wong Yiu Chung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Forgotten Joint Score for early outcome assessment after total knee arthroplasty: Is it really useful?</atitle><jtitle>Knee surgery &amp; related research</jtitle><addtitle>Knee Surgery and Related Research (Knee Surg Relat Res)</addtitle><date>2020-12-01</date><risdate>2020</risdate><volume>32</volume><spage>1</spage><pages>1-</pages><issn>2234-0726</issn><abstract><![CDATA[Background: Forgotten Joint Score (FJS) has become a popular tool for total knee arthroplasty (TKA), but almost all studies had assessment performed 1 year after surgery. There is a need for a sensitive tool for earlier outcome assessment. The aim of this study was to investigate the usefulness of FJS within the first year after TKA. Methods: This was a cross-sectional study. Patients within the first year after primary TKA were recruited. FJS was translated into the local language with a cross-cultural adaptation and was validated by assessing the correlation with the Western Ontario and McMaster Universities Arthritis Index score (WOMAC). Ceiling and floor effects (highest or lowest 10% or 15%) of both scores were compared. Skewness of scores was assessed with a histogram. Results: One hundred sixty-three subjects were recruited: 84 (51.5%) had evaluation at 3 months after the operation, 56 (34.4%) at 6 months, and 23 (14.1%) at 12 months. FJS had fewer patients at the highest 10% (10.7% vs. 16.1%, P = 0.046) or 15% (19.6% vs. 32.1%, P = 0.027) at 6 months and within the first year overall (6.7% vs. 13.5%, P <0.001; 14.1% vs. 22.7%, P <0.001). Also, it had more patients at the lowest 10% (16.7% vs. 0%, P <0.001) or 15% (21.4% vs. 0%, P < 0.001) at 3 months, 6 months (10.7% vs. 0%, P <0.001), and overall (12.9% vs. 0%, P <0.001; 16.6% vs. 0%, P <0.001). The skewness was much less than WOMAC (0.09 vs. -0.56). Conclusions: FJS has a low ceiling effect but a high floor effect in the first year after TKA. Such characteristics make it less useful for the general assessment of early patient report outcome after operation.]]></abstract><pub>대한슬관절학회</pub><tpages>7</tpages></addata></record>
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subjects Ceiling effect
Early results
Floor effect
Forgotten Joint Score
Patient report outcome
Total knee arthroplasty
title Forgotten Joint Score for early outcome assessment after total knee arthroplasty: Is it really useful?
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