Table 3

Reproducibility (coefficient of variation) [31] of T₂ measurements in five subjects segmented three times each by one operator

Medial

Lateral

Parameter

Femur

Tibia

Femur

Tibia

Patella

Mean T₂

0.99

2.08

0.85

1.51

0.86

Contrast

4.60

11.41

3.61

8.67

4.07

Entropy

0.47

0.75

0.05

0.03

0.55

Variance

2.40

7.91

2.12

4.31

3.34

The texture parameters analyzed were at 0 degrees and at 1 pixel offset.

Joseph et al. Arthritis Research & Therapy 2011 13:R153   doi:10.1186/ar3469