SynthesisBritish journal of sports medicine2026
Cam morphology and the risk of developing radiographic hip osteoarthritis within 8 years: an individual participant data meta-analysis of 23 886 hips from the world COACH consortium.
Synthesis in British journal of sports medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Prevalence of femoroacetabular impingement in the general adult population: A systematic review of population-based studies.International orthopaedics · 2026Pooled it
- Is cam morphology a cause of osteoarthritis?Nature reviews. Rheumatology · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
28 authors.
Funding
Abstract
objectiveTo assess the relationship between cam morphology and the development of radiographic hip osteoarthritis (RHOA), overall and in subgroups based on age, biological sex and body mass index (BMI).
methodsHips with no RHOA at baseline and with available follow-up during 4-8 years were selected from the Worldwide Collaboration on Osteoarthritis PrediCtion for the Hip (World COACH) consortium. Alpha angles were uniformly measured on anteroposterior radiographs, with a threshold of 60
resultsA total of 23 886 hips were included (mean age: 62.2±8.4 years; 70.6% female; BMI: 27.4±4.5; mean time to follow-up: 6.1±3.0 years). Cam morphology was associated with RHOA (OR: 1.87, 95% CI 1.36 to 2.59), as was a greater alpha angle (OR 1.02, 95% CI 1.01 to 1.03 for every degree increase). The overall relative risk of developing RHOA in hips with cam morphology was 1.62 (95%CI 1.26 to 2.07), greatest for those aged 51-60 years (2.15, 95% CI 1.55 to 2.98) and higher in males (2.50, 95% CI 1.67 to 3.73), compared with females (1.75,95% CI 1.24 to 2.48).
conclusionHips with cam morphology have higher odds of developing RHOA within 4-8 years compared with hips without cam morphology. The relative risk was highest in subgroups of participants aged 51-60 years and in males, making cam morphology a potential target for primary or secondary prevention of RHOA.
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