Could ultrasound and muscle elastography be associated with clinical assessment, laboratory and nailfold capillaroscopy in juvenile dermatomyositis patients?

Table 4 – Ultrasound evaluation by semiquantitative gray scale of patients in active disease and inactive disease

Semiquantitative Gray Scale¹_{(IMPORTANT ALTERATION)}	Active disease N = 6 patients (60 muscles)	Inactive disease N = 16 patients (160 muscles)	p value
D	9 (81.8%)	15 (46.9%)	0.007
BB	10 (90.9%)	15 (46.9%)	< 0.001
FF	7 (63.6%)	12 (37.5%)	0.198
QF	11 (100%)	25 (78.1%)	0.005
AT	6 (54.5%)	17 (53.1%)	0.475

1Ultrasonography assessment with moderate alteration (grade 2) or important alteration (grades 3 and 4)
D: Deltoid; BB: Biceps brachii; FF: Forearm flexor; QF: Quadriceps femoris; AT: Anterior Tibialis

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