{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T03:44:10Z","timestamp":1793850250792,"version":"4.6.1"},"reference-count":35,"publisher":"BMJ","issue":"12","license":[{"start":{"date-parts":[[2022,2,8]],"date-time":"2022-02-08T00:00:00Z","timestamp":1644278400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Derby & Burton Hospitals Charity"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Br J Sports Med"],"accepted":{"date-parts":[[2022,1,14]]},"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To develop a core outcome set for lateral elbow tendinopathy (COS-LET) and to provide guidance for outcome evaluation in future studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We implemented a multi-stage mixed-methods design combining two systematic reviews, domain mapping of outcome measurement instruments to the core domains of tendinopathy, psychometric analysis of instruments, two patient focus groups and a Delphi study incorporating two surveys and an international consensus meeting. Following the OMERACT guidelines, we used a 70% threshold for consensus.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>38 clinicians\/researchers and 9 patients participated. 60 instruments were assessed for inclusion. The only instrument that was recommended for the COS-LET was Patient Rated Tennis Elbow Evaluation (PRTEE) for the disability domain. Interim recommendations were made to use: the PRTEE function subscale for the function domain; PRTEE pain subscale items 1, 4 and 5 for the pain over a specified time domain; pain-free grip strength for the physical function capacity domain; a Numerical Rating Scale measuring pain on gripping for the pain on activity\/loading domain; and time off work for the participation in life activities domain. No recommendations could be made for the quality-of-life, patient rating of condition and psychological factors domains.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The COS-LET comprises the PRTEE for the disability domain. Interim-use recommendations included PRTEE subscales, time off work, pain-free grip strength and a Numerical Rating Scale measuring pain on gripping. Further work is required to validate these interim measures and develop suitable measures to capture the other domains.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bjsports-2021-105044","type":"journal-article","created":{"date-parts":[[2022,2,8]],"date-time":"2022-02-08T13:25:40Z","timestamp":1644326740000},"page":"657-666","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":27,"title":["Development of a core outcome set for lateral elbow tendinopathy (COS-LET) using best available evidence and an international consensus process"],"prefix":"10.1136","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3203-506X","authenticated-orcid":false,"given":"Marcus","family":"Bateman","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0090-1012","authenticated-orcid":false,"given":"Jonathan P","family":"Evans","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viana","family":"Vuvan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Val","family":"Jones","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam C","family":"Watts","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joideep","family":"Phadnis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leanne M","family":"Bisset","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0253-5933","authenticated-orcid":false,"given":"Bill","family":"Vicenzino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2022,2,8]]},"reference":[{"key":"2024051415042478000_56.12.657.1","doi-asserted-by":"publisher","DOI":"10.1002\/art.20535"},{"key":"2024051415042478000_56.12.657.2","doi-asserted-by":"crossref","DOI":"10.1136\/bjsports-2019-100885","article-title":"Icon 2019: international scientific tendinopathy symposium consensus: clinical terminology","volume":"54","author":"Scott","year":"2020","journal-title":"Br J Sports Med"},{"key":"2024051415042478000_56.12.657.3","doi-asserted-by":"crossref","first-page":"e98","DOI":"10.1016\/j.jse.2017.12.027","article-title":"Clinical rating systems in elbow research-a systematic review exploring trends and distributions of use","volume":"27","author":"Evans","year":"2018","journal-title":"J Shoulder Elbow Surg"},{"key":"2024051415042478000_56.12.657.4","doi-asserted-by":"crossref","unstructured":"Vicenzino B , de Vos R-J , Alfredson H . 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