Declaration of interests
EB reports receiving payment or honoraria for lectures, presentations, speakers’ bureaus, manuscript writing, or educational events from Stryker; support for attending meetings and travel from DePuy; leadership or fiduciary roles with the Canadian Joint Replacement Registry (Chair, Advisory Committee); the International Society of Arthroplasty Registries (President); and the Canadian Arthroplasty Society (President); and institutional educational support from Smith & Nephew and DePuy. DC reports royalties or licences from Smith & Nephew for revision component design; holding leadership or fiduciary roles as Chair of the Glenelg Hospital Medical Advisory Committee and as a Review Panel Member for the National Joint Replacement Registry; and holding stock or stock options in Austofix Orthopaedics. ONF reports payment or honoraria for lectures, presentations, speakers’ bureaus, manuscript writing, or educational events from Ortomedic AS (lectures in knee replacement surgery) and Heraeus Medical (lectures in cementation techniques in knee replacement surgery). NH reports institutional grants or contracts from the Swedish Research Council (VR 2019-00436; VR 2021-00980), Stiftelsen Promobilia, and Skobranschens utvecklingsfond; royalties or licences with Waldemar Link (licence agreement, no remuneration); consulting fees from DePuy; payment or honoraria for lectures or educational events from Waldemar Link, Zimmer Biomet, and Heraeus Medical; participation as a contributor on the STOP Leg Clots Trial Data Safety Monitoring Board or advisory activities; and holding unpaid leadership or fiduciary roles as Scientific Advisor to the Swedish National Board of Health and Welfare, Board Member of the Swedish Arthroplasty Register, Chair of the Nordic Association of Arthroplasty Registers, and Chair of Biobank Sweden under the Swedish Research Council infrastructure. EL reports support from the National Joint Registry (NJR) through employment and their research unit and from the NJR committee to produce annual reports and research outputs; grants or contracts from CeramTec Group, National Institute for Health and Care Research (NIHR), and Tommy's Charity, with funding paid to the author's university to support employment of a research unit; and participating as a Data Monitoring and Ethics Committee member for an NIHR-funded study (2024–26). SO reports institutional grants or contracts from the Novo Nordisk Foundation and the Independent Research Fund for research funding; payment or honoraria from Heraeus (paid to the institution for lectures and course moderation); and holding leadership or fiduciary roles as a Member of the Executive Committee and Board of the Nordic Orthopaedic Federation (unpaid) and as Editor-in-Chief of Acta Orthopaedica (personal remuneration). MR reports institutional grants or contracts from Stryker (supporting the Bone and Joint Infection Registry) and Microsoft (machine learning-based risk prediction support through the Microsoft Founders Programme); consulting fees from Heraeus Medical (for unrelated medical devices, paid to a company partly owned by the author) and Pharmacosmos (advisory board); payment or honoraria for lectures or educational activities from Zimmer Biomet, Heraeus Medical, Stryker, Pharmacosmos, Ethicon, Amotio, and Adler; an unpaid fiduciary role as Trustee of the charity OR-UK; and holding stock or stock options in OpenPredictor Holdings, Open Predictor Clinical Intelligence, and Neuranics. OR reports consulting fees from LINK Sweden, AstraZeneca, and Johnson & Johnson; payment or honoraria for educational consulting from LINK Sweden (fees paid to the author); and holding a leadership or fiduciary role as Director of the Swedish Arthroplasty Registry, with payments made to the author's employer. CV reports receiving support for attending meetings and/or travel from Stryker, with payments made to the institution. MW reports support from the NIHR Bristol Biomedical Research Centre, with institutional funding supporting part of the author's time; grants or contracts from NIHR, and Health-care Quality Improvement Partnership as principal investigator, co-principal investigator, or co-applicant on multiple funded studies, with payments made to the institution; royalties or licences with Taylor & Francis for two orthopaedic textbooks; payment or honoraria for educational activities from Heraeus, with payments made to the institution; participating on Trial Steering Committees and Data Monitoring Committees for NIHR-funded studies; unpaid leadership or fiduciary roles with the British Hip Society (Chair, Research Committee) and the British Orthopaedic Association (member, Research Committee); and a leadership role with the NIHR Clinical Research Network, with institutional support provided. All other authors declare no competing interests.
