Osteoarthritis year in review 2025: Rehabilitation and outcomes including sex and gender reporting

This year in review (1) narratively synthesises the effect of, or patient experience with, non-pharmacological or non-surgical rehabilitation treatments for osteoarthritis at any joint; and (2) describes how sex and/or gender are defined, reported, and analysed. We searched three databases (Medline, Embase, CINAHL) for studies that met predefined criteria and selected those of perceived moderate-to-high quality and importance published between 12th March 2024 and 1st March 2025. Studies were grouped according to predominant treatment topic areas (e.g. core [exercise, diet]; adjunct [electrotherapy, manual therapy]; multimodal [different rehabilitation treatments]). Two authors independently screened records. One author extracted data, and another checked 10% of the accuracy. Full-text screening identified 158 eligible studies, reduced to 39 for synthesis. We identified eight themes: i) Exercise is effective for knee osteoarthritis and comorbidities, but has varied effects for hip osteoarthritis; ii) Diet plus exercise is effective for weight loss, but may not reduce pain; iii) Digital rehabilitation is a viable alternative to in-person care; iv) No added benefit of mind/behavioural treatments; v) Effects of electrotherapy modalities on pain were inconsistent and region-specific; vi) Orthoses may relieve pain, but should be individualised to patient preferences; vii) Acupuncture and blood flow restriction treatment show effectiveness in single clinical trials; viii) Treatment packages for osteoarthritis have varied benefits. Sex and gender were reported in 23 and 11 studies, respectively. For gender, most studies used female/male/woman/man interchangeably. No study defined sex or gender, 5% reported results disaggregated by sex or gender, no study justified why results were not, and 5% summarised key sex or gender findings.