Implementation of musculoskeletal ultrasonography in detection of early juvenile idiopathic arthritis.

3.2 Correlation between the number of joints with US synovitis and different clinical parameters (at follow up) At follow up the number of joints with US synovitis had positive highly significant correlation with the number of swollen joints (p=0.000**), number of tender joints (p=0.000**), number of joints with clinical synovitis (p=0.000**), number of joints with LROM (p=0.006**), Ritchie AI (p=0.000**) and duration of morning stiffness (p=0.002**).

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