Knee Crepitus and Osteoarthritis Features in Young Adults Following Traumatic Knee Injury
Main finding · Full-thickness patellofemoral cartilage lesionsResult — go to the resultPrevalence ratio 2.70 95% CI 1.41–6.39Authors' conclusion
Self-reported knee crepitus was associated with the presence of full-thickness patellofemoral cartilage defects one year after ACLR but was not associated with a greater risk of worsening structural osteoarthritis features up to five years after ACLR.
Study context
- Population
- Young adults one year after anterior cruciate ligament reconstruction (41 female; median age 28 years)41 female
- Participants
- 112 participants
- Exposure
- Self-reported knee crepitus vs no crepitus
- Outcome
- Presence and worsening of structural OA features on MRI (cartilage lesions, osteophytes, bone marrow lesions) and self-reported outcomes (KOOS pain, QoL; IKDC function)
- Follow-up
- One and five years after ACLR
Methodological detailsPoisson regression, general linear models
- Poisson regression
- General linear models
Main finding
Full-thickness patellofemoral cartilage lesions · one year after ACLR
Prevalence ratio
2.70
95% CI 1.41–6.39
Crepitusvs No crepitus
prevalence ratio 2.70 (95% CI 1.41–6.39)
As reported in the abstract
Observational data: associations, not effects.
Further findings
| Outcome | Estimate |
|---|---|
| Self-reported outcomes (KOOS pain, QoL; function) · one year after ACLRCrepitus vs No crepitus | β (pain) −6.42 (95% CI −10.47 to −2.36) |
| Self-reported outcomes (KOOS pain, QoL; function) · one year after ACLRCrepitus vs No crepitus | β (QoL) −10.39 (95% CI −18.58 to −2.20) |
| Self-reported outcomes (KOOS pain, QoL; function) · one year after ACLRCrepitus vs No crepitus | β (function) −5.49 (95% CI −10.92 to −0.06) |
Self-reported outcomes (KOOS pain, QoL; function) · one year after anterior cruciate ligament reconstruction (ACLR)
- Crepitus: greater improvement in pain and function between one and five years
Original publication
Knee Crepitus and Osteoarthritis Features in Young Adults Following Traumatic Knee Injury. Arthritis Care Res (Hoboken). Published 25 November 2025. doi:10.
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