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Table 2 Subchondral structural parameters in the femoral condyle and tibia plateau

From: Radiomics analysis using MR imaging of subchondral bone for identification of knee osteoarthritis

 

Normal (n = 32)

Mild OA (n = 27)

Advanced OA (n = 29)

Lateral femoral condyle

BV/TV

0.269 ± 0.005

0.269 ± 0.005

0.273 ± 0.006 a b

Tb.Th

0.166 ± 0.004

0.166 ± 0.004

0.168 ± 0.004

Tb.Sp

0.452 ± 0.008

0.452 ± 0.008

0.448 ± 0.013

Tb.N

1.615 ± 0.031

1.615 ± 0.030

1.621 ± 0.040

Medial femoral condyle

BV/TV

0.269 ± 0.006

0.269 ± 0.005

0.273 ± 0.005 a b

Tb.Th

0.162 ± 0.004

0.163 ± 0.004

0.164 ± 0.003

Tb.Sp

0.442 ± 0.010

0.444 ± 0.010

0.437 ± 0.009 a b

Tb.N

1.652 ± 0.032

1.644 ± 0.034

1.662 ± 0.029

Lateral tibia plateau

BV/TV

0.266 ± 0.006

0.267 ± 0.005

0.268 ± 0.006

Tb.Th

0.162 ± 0.004

0.164 ± 0.006

0.166 ± 0.005 b

Tb.Sp

0.449 ± 0.009

0.451 ± 0.011

0.452 ± 0.009

Tb.N

1.633 ± 0.029

1.625 ± 0.042

1.617 ± 0.033

Medial tibia plateau

BV/TV

0.264 ± 0.006

0.264 ± 0.005

0.269 ± 0.005 a b

Tb.Th

0.159 ± 0.004

0.159 ± 0.004

0.163 ± 0.004 a b

Tb.Sp

0.443 ± 0.011

0.442 ± 0.009

0.442 ± 0.008

Tb.N

1.660 ± 0.035

1.664 ± 0.035

1.651 ± 0.027

  1. Data are mean ± standard deviation. The significance between groups is shown based on ANCOVA with adjustment for age
  2. a P < 0.05 in comparison with control subjects
  3. b P < 0.05 in comparison between mild OA and advanced OA