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Table 3 Reproducibility (coefficient of variation) [31] of T2 measurements in five subjects segmented three times each by one operator

From: Texture analysis of cartilage T2 maps: individuals with risk factors for OA have higher and more heterogeneous knee cartilage MR T2 compared to normal controls - data from the osteoarthritis initiative

 

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

  1. The texture parameters analyzed were at 0 degrees and at 1 pixel offset.
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Arthritis Research & Therapy

ISSN: 1478-6362

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