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Table 1 The average BMD obtained by simulation and measurement in the literature

From: Simulation on the internal structure of three-dimensional proximal tibia under different mechanical environments

 

Simulation results of proximal tibia for young normal people

Simulation results of proximal tibia for old people with 6° valgus deformity

Measurement results of young people obtained by Hudson et al.[47]]

Measurement results of old people with valgus deformity >4° obtained by Hulet et al. [[12]]

The average BMD of ROI1 (g/cm3)

1.23

0.89

  

The average BMD of ROI2 (g/cm3)

1.03

1.10

  

The average BMD of ROI3 (g/cm3)

1.246

0.908

 

0.827 ± 0.198

The average BMD of ROI4 (g/cm3)

0.871

1.033

 

0.939 ± 0.229

The average BMD of the whole (g/cm3)

1.343

1.185

  

ROI1/ROI2

1.19

0.81

1.20 ± 0.10

 

ROI3/ROI4

1.431

0.879

 

0.878-0.886

  1. The average BMD of young normal people and old people with 6° valgus deformity in the selected ROI and the whole proximal tibia was calculated, and the measurement result in the same zone was listed.
  2. ROI region of interest, BMD bone mineral density.