Longitudinal Changes in Adiposity After a Youth Sport‐Related Knee Injury: Informing Posttraumatic Osteoarthritis Prevention
Authors' conclusion
Adiposity gains of youth with a sport-related knee injury over the initial two-year postinjury period may not differ from uninjured youth.
Study context
- Population
- Youth with a sport-related knee injury and uninjured youth (62% female, mean age 16 ± 2 years), Alberta
- Participants
- 186 participants
- Exposure
- Youth with a sport-related knee injury vs uninjured youth
- Injuredn = 106
- Uninjuredn = 80reference
- Outcome
- Fat mass gain over follow-up
- Follow-up
- 24 months
Methodological detailsprimary analysis of the Alberta Youth Prevention of Early Osteoarthritis Cohort, linear mixed models adjusted for confounders, multiple imputation for missing data
- Primary analysis of the Alberta Youth Prevention of Early Osteoarthritis Cohort
- Linear mixed models adjusted for confounders
- Multiple imputation for missing data
Main finding
As reported in the abstract
Difference
0.1 kg
95% CI −0.6 to 0.9
Between Injured and Uninjured
difference 0.1 kg (95% CI −0.6 to 0.9)
Observational data: associations, not effects.
Further findings
| Outcome | Difference (95% CI) | |
|---|---|---|
| Fat mass difference between groups at each time point · 6, 12, 18 and 24 monthsBetween Injured and Uninjured · 6-month · minimal to no differences in fat mass between groups | 0.9 (−0.2 to 2.0) | |
| Fat mass difference between groups at each time point · 6, 12, 18 and 24 monthsBetween Injured and Uninjured · 12-month · minimal to no differences in fat mass between groups | 0.7 (−0.4 to 1.9) | |
| Fat mass difference between groups at each time point · 6, 12, 18 and 24 monthsInjuredvs Uninjured18-month · minimal to no differences in fat mass between groups | −0.1 (−1.4 to 1.1) | |
| Fat mass difference between groups at each time point · 6, 12, 18 and 24 monthsInjuredvs Uninjured24-month · minimal to no differences in fat mass between groups | −0.9 (−2.3 to 0.6) | |
| −3−2−10123Difference (linear scale) |
Fat mass: ACL tear vs other knee injuries; female vs male sex
- Minimal to no differences in fat mass
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
Longitudinal Changes in Adiposity After a Youth Sport‐Related Knee Injury: Informing Posttraumatic Osteoarthritis Prevention. Arthritis Care Res (Hoboken). Published 13 July 2026. doi:10.
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