Pincer Morphology Is Not Associated With Hip Osteoarthritis Unless Hip Pain Is Present: Follow‐Up Data From a Prospective Cohort Study
Authors' conclusion
No associations were found between radiographic pincer morphology and incident RHOA at any follow-up moment. Anteriorly located pincer morphology with hip pain, however, was significantly associated with incident RHOA.
Study context
- Population
- Hips free of definite radiographic hip osteoarthritis (RHOA) (KL grade 0 or 1) at baseline, Cohort Hip and Cohort Knee study
- Exposure
- Pincer morphology vs no pincer morphology
- Outcome
- Incident RHOA (KL ≥ 2 or total hip replacement)
- Follow-up
- 2, 5, 8 and 10 years'
Methodological detailsmultivariable logistic regression with generalized estimating equations
- Multivariable logistic regression with generalized estimating equations
Main finding
As reported in the abstract
Incident RHOA
Each group vs no pincer morphologyAdjusted odds ratio (95% CI)
Pincer morphology
0.35(0.06–2.15)
Pincer morphology
1.50(0.94–2.38)
Observational data: associations, not effects.
Further findings
Interaction of pain and anterior pincer morphology in predicting incident RHOA · 5, 8 and 10 years' follow-up
| OR (95% CI) | ||
|---|---|---|
| Anterior pincer morphology with painSignificant interaction | 1.97 (1.03–3.78) | |
| Anterior pincer morphology with painSignificant interaction | 3.41 (1.35–8.61) | |
| 0.10.31310Odds ratio (log scale) |
Incident RHOA (all hips)
- Incident RHOA at 2 years, hips
- 69 (5%)
- Incident RHOA at 5 years, hips
- 178 (14%)
- Incident RHOA at 8 years, hips
- 279 (24%)
- Incident RHOA at 10 years, hips
- 495 (42%)
Original publication
Pincer Morphology Is Not Associated With Hip Osteoarthritis Unless Hip Pain Is Present: Follow‐Up Data From a Prospective Cohort Study. Arthritis Care Res (Hoboken). Published 11 March 2024. doi:10.
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