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Table 1 Final statements and group agreement (percentage agreement) achieved for each statement of the second round

From: Amendment of the OMERACT ultrasound definitions of joints’ features in healthy children when using the DOPPLER technique

N.

Definition Statement

Percentage agreement, %

1

Physiological vascularity can be detected by PD as Doppler signal in the joint structures at any age during growth

100

2

Physiological intraarticular vascularity can be detected in children within the fat pads and unossified joint structures (i.e., the physis, the cartilage of epiphysis and the short bones cartilage)

85.7

3

Detection of physiological vascularity and its intraarticular anatomical position is joint and age (particularly in the youngest children) dependent

85.7

4

Physis can be detected in children as an anechoic unossified structure, intra- or extra-articular according to its anatomical location

85.7

5

Fat pad can be detected as an intra-articular structure with heterogeneous echotexture (similar to the subcutaneous tissue) which might show vascularity

92.9

6

In different age groups of children, due to the skeletal development, ossification centers can be detected with different maturation state

100

7

Ossification grade is age and joint dependent

92.9