Abnormal ultrasonography findings were common in children with clinically inactive juvenile idiopathic arthritis (JIA; n = 40) but did not correlate with disease flares during up to 2 years of follow-up in a single-centre study. At baseline, 45% of the patients had at least one abnormal finding on ultrasonography. These baseline findings had a sensitivity of 15% and a positive predictive value of 12% when evaluated against clinical flares at the individual joint level during follow-up.
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Zhao, Y. et al. Flares of disease in children with clinically inactive juvenile idiopathic arthritis were not correlated with ultrasound findings. J. Rheumatol. https://doi.org/10.3899/jrheum.170681 (2018)
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Onuora, S. Flares not linked to ultrasound findings in JIA. Nat Rev Rheumatol 14, 320 (2018). https://doi.org/10.1038/s41584-018-0019-3
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DOI: https://doi.org/10.1038/s41584-018-0019-3