Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Bone mineral density (BMD) changes in the distal tibia of the operated [revision total knee arthroplasty (rTKA)] and contralateral legs
ROI | BMD (g/cm2) | ∆ BMD (%) | P value | ∆ BMD (%) | P value | ∆ BMD (%) | P value |
|---|---|---|---|---|---|---|---|
Post | 0–3 months | 0–6 months | 0–12 months | ||||
Operated | |||||||
Mean | 0.693 | −2.5 | −4.4 | −1.3 | |||
Range | 0.184–1.032 | −24.1 to 11.4 | −17.6 to 3.3 | −16.3 to 12.3 | |||
SD | 0.23 | 9.5 | 5.6 | 7.7 | |||
95% CI | −8.2; 3.2 | 0.39 | −7.8; −1.1 | 0.03 | −5.7; 3.2 | 0.39 | |
Not operated | |||||||
Mean | 0.678 | −1.6 | 1.84 | 1.6 | |||
Range | 0.284–1.024 | −18.5 to 12.6 | −10.64 to 18.47 | −16.4 to 23.7 | |||
SD | 0.226 | 8.8 | 8.44 | 13.1 | |||
95% CI | −6.5; 3.3 | −2.8; 6.5 | −5.3; 8.6 | ||||
0.35 | 0.51 | 0.77 | |||||