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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