Total knee arthroplasty and periprosthetic distal femoral fracture: looking beyond the osteoporosis to previous osteoporotic fracture
Authors' conclusion
Osteoporosis is a major risk factor for periprosthetic distal femoral fractures after TKA.
Study context
- Population
- Patients following primary total knee arthroplasty (TKA), with and without periprosthetic fractures
- Participants
- 34 vs 106
- Comparison
- Periprosthetic fracture after primary TKA vs matched controls
- Fracturen = 34
- Controln = 106reference
- Outcome
- Association of systemic osteoporosis with periprosthetic fractures after TKA
Methodological detailsmatched for age and sex, univariable and multivariable logistic regression
- Matched for age and sex
- Univariable and multivariable logistic regression
Main finding
As reported in the abstract
Prevalence of osteoporosis
P = 0.045
Observational data: associations, not effects.
Further findings
Rate of medication for osteoporosis
P = 0.026
Risk factors for periprosthetic fracture after TKA (logistic regression)
- History of previous osteoporotic fracture, OR (p=0.015)
- 9.1
- Osteoporosis, OR (p=0.013)
- 3.6
- Medication for osteoporosis, OR (p=0.020)
- 0.3
Original publication
Total knee arthroplasty and periprosthetic distal femoral fracture: looking beyond the osteoporosis to previous osteoporotic fracture. Osteoporos Int. Published 27 May 2024. doi:10.
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