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Table 2 Mean bone and cartilage parameter values for both femoral condyles between different groups of subjects

From: Quantitative evaluation of subchondral bone microarchitecture in knee osteoarthritis using 3T MRI

 

Control (n = 31)

Mild OA(n = 33)

Severe OA(n = 16)

Medial femoral condyle

   

 BVF

0.145 ± 0.002

0.129 ± 0.002a

0.115 ± 0.003a, b

 EI

2.086 ± 0.060

2.433 ± 0.045a

2.599 ± 0.082a

 SCR

5.842 ± 0.115

5.261 ± 0.087a

5.168 ± 0.158a

 Trabecular Thickness(um)

174.412 ± 1.690

167.823 ± 1.278a

170.817 ± 2.315

 Cartilage Thickness (mm)

1.361 ± 0.051

1.199 ± 0.038

0.789 ± 0.069a, b

Lateral femoral condyle

   

 BVF

0.154 ± 0.002

0.139 ± 0.002a

0.124 ± 0.003a,b

 EI

1.985 ± 0.054

2.296 ± 0.041a

2.478 ± 0.074a

 SCR

5.531 ± 0.120

4.989 ± 0.091a

4.935 ± 0.164a

 Trabecular Thickness(um)

173.337 ± 1.381

168.578 ± 1.044a

169.695 ± 1.892

 Cartilage Thickness (mm)

1.365 ± 0.053

1.315 ± 0.041

1.207 ± 0.073

  1. Data are mean ± standard error. The significance between groups is shown based on ANCOVA with adjustment for age
  2. a P < 0.01 in comparison with control subjects
  3. b p < 0.01 in comparison between mild OA and severe OA