Intraoperative physician assessment of bone: correlation to bone mineral density
Authors' conclusion
IPA is highly correlated with local (distal femur) and overall BMD.
Study context
- Population
- Patients undergoing total knee arthroplasty (TKA) by 3 surgeons who received pre-operative DXA
- Participants
- 70 patients
- Outcome
- Correlation of IPA (5-point scale, 1 excellent to 5 poor) with (1) lowest BMD T-score at routine clinical sites and (2) distal femur BMD
Methodological details3 surgeons, Spearman's correlation, factorial ANOVA
- 3 surgeons
- Spearman's correlation
- Factorial ANOVA
Main finding
As reported in the abstract
Correlation of IPA with BMD
Intraoperative physician assessment (IPA) vs lowest T-score, R
0.511
IPA vs distal femur bone mineral density (BMD), R
0.603-0.661
Observational data: associations, not effects.
Further findings
IPA score
- IPA, mean (SD)
- 2.74 [1.2]
- Demographic data, BMD and IPA did not differ between surgeons
IPA by BMD category (lowest T-score)
- Osteoporotic patients with IPA above average
- 0
- Patients with normal BMD classified as having poor bone
- 0
Original publication
Intraoperative physician assessment of bone: correlation to bone mineral density. Osteoporos Int. Published 31 March 2023. doi:10.
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