{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,2]],"date-time":"2026-03-02T10:48:45Z","timestamp":1772448525039,"version":"3.50.1"},"reference-count":20,"publisher":"BMJ","issue":"1","license":[{"start":{"date-parts":[[2019,3,8]],"date-time":"2019-03-08T00:00:00Z","timestamp":1552003200000},"content-version":"unspecified","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["RMD Open"],"accepted":{"date-parts":[[2019,2,8]]},"published-print":{"date-parts":[[2019,3]]},"abstract":"<jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To evaluate the level of agreement on ultrasonographic (US) lesions among highly experienced sonographers as well as the intraobserver and interobserver reliability of inflammatory and structural US lesions in patients with osteoarthritis (OA) of the foot.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>After a systematic literature review, a Delphi survey was performed to test definitions of US lesions in OA of the foot, including inflammatory lesions (ie, synovial hypertrophy [SH], joint effusion [JE], power Doppler signal [PD]), and structural abnormalities (ie, cartilage damage [CD] and osteophytes). Subsequently, the reliability of US in assessing the aforementioned lesions was tested on static images as well as during a live exercise. Reliability was assessed by kappa analyses and prevalence-adjusted bias-adjusted kappa (PABAK) on a dichotomous and an ordinal scale.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Intraobserver and interobserver reliability for SH and JE evaluated by binary scoring was good for both components, while the intraobserver reliability for semiquantitative scoring of SH ranged from moderate in the web-based exercise (PABAK 0.49) to good (PABAK 0.8) in the live exercise. Reliability for CD and PD assessments were respectively good and excellent in all exercises (ranged from PABAK 0.61 to 0.79 for CD and 0.88 to 0.95 for PD). The interobserver reliability for the semiquantitative scoring of osteophytes was fair in the live exercise (PABAK 0.36) and moderate in the static exercise (PABAK 0.60).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Consensual US definitions were found to be reliable for assessing inflammatory lesions in OA of the foot, while the use of US to assess structural damage requires further studies.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/rmdopen-2018-000795","type":"journal-article","created":{"date-parts":[[2019,3,9]],"date-time":"2019-03-09T05:25:17Z","timestamp":1552109117000},"page":"e000795","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":15,"title":["OMERACT agreement and reliability study of ultrasonographic elementary lesions in osteoarthritis of the foot"],"prefix":"10.1136","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0573-464X","authenticated-orcid":false,"given":"Alen","family":"Zabotti","sequence":"first","affiliation":[{"name":"Department of Medical and Biological Sciences, Rheumatology Clinic, University Hospital Santa Maria della Misericordia, Udine, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georgios","family":"Filippou","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Mediche, Universit\u00e0 degli studi di Ferrara, Clinica di Reumatologia, Ferrara, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco","family":"Canzoni","sequence":"additional","affiliation":[{"name":"Agenzia Sanitaria Locale Viterbo, Viterbo, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonella","family":"Adinolfi","sequence":"additional","affiliation":[{"name":"Department of Clinical Medicine and Immunology, Rheumatology Section, University of Siena, Siena, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Valentina","family":"Picerno","sequence":"additional","affiliation":[{"name":"Rheumatology Department of Lucania, Azienda Ospedaliera Regionale San Carlo, Potenza, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Greta","family":"Carrara","sequence":"additional","affiliation":[{"name":"Epidemiology Unit, Italian Society for Rheumatology (SIR), Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Balint","sequence":"additional","affiliation":[{"name":"3rd Department of Rheumatology, National Institute of Rheumatology and Physiotherapy, Budapest, Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"George A","family":"Bruyn","sequence":"additional","affiliation":[{"name":"Rheumatology, Medisch Centrum Leeuwarden, Sneek, Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5347-0060","authenticated-orcid":false,"given":"Maria Antonietta","family":"D'Agostino","sequence":"additional","affiliation":[{"name":"Rheumatology, Ambroise Par\u00e9 Hospital, APHP, Universit\u00e9 Versailles-Saint-Quentin en Yvelines, Boulogne-Billancourt, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nemanja","family":"Damjanov","sequence":"additional","affiliation":[{"name":"Institute of Rheumatology, University of Belgrade Medical School, Belgrade, Serbia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Delle Sedie","sequence":"additional","affiliation":[{"name":"Rheumatology Unit, University of Pisa, Pisa, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emilio","family":"Filippucci","sequence":"additional","affiliation":[{"name":"Rheumatology, Universita Politecnica delle Marche, Jesi, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Luz","family":"Gonzalez Fernandez","sequence":"additional","affiliation":[{"name":"University Podiatry Clinic, Universidad Complutense de Madrid, Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hilde Berner","family":"Hammer","sequence":"additional","affiliation":[{"name":"Rheumatology, Diakonhjemmet Hospital, Oslo, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zunaid","family":"Karim","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Midyorkshire NHS Trust, Midyorkshire, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1526-4052","authenticated-orcid":false,"given":"Peter","family":"Mandl","sequence":"additional","affiliation":[{"name":"Internal Medicine III, Department of Rheumatology, Medical University Vienna, Vienna, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ingrid","family":"Moller","sequence":"additional","affiliation":[{"name":"Reumatologia, Instituto Poal de Reumatologia, Barcelona, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Rosario","family":"Morales Lozano","sequence":"additional","affiliation":[{"name":"Clinic of Podiatry, Faculty of E.F. and Podiatry, Universidad Complutense, Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Esperanza","family":"Naredo","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Joint and Bone Research Unit, Hospital Universitario Fundaci\u00f3n Jim\u00e9nez D\u00edaz, Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Porta","sequence":"additional","affiliation":[{"name":"Azienda Sanitaria Locale 3, ASL 3, Pistoia, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1849-5123","authenticated-orcid":false,"given":"Garifallia","family":"Sakellariou","sequence":"additional","affiliation":[{"name":"Chair and Division of Rheumatology, Universityof Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lene","family":"Terslev","sequence":"additional","affiliation":[{"name":"Center for Rheumatology and Spine Disease, Rigshospitalet-Glostrup, Copenaghen, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7451-0271","authenticated-orcid":false,"given":"Carlo Alberto","family":"Scir\u00e8","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze Mediche, Universit\u00e0 degli studi di Ferrara, Clinica di Reumatologia, Ferrara, Italy"},{"name":"Epidemiology Unit, Italian Society for Rheumatology (SIR), Milan, 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