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Fig. 1 | Pediatric Rheumatology

Fig. 1

From: ASAS definition for sacroiliitis on MRI in SpA: applicable to children?

Fig. 1

Flow chart showing the number of patients with and without sacroiliitis according to MRI global diagnostic assessment of sacroiliitis and according to the ASAS definition for a positive MRI for sacroiliitis, both correlated with the final clinical diagnosis of JSpA. (MRI = Magnetic Resonance Imaging; JSpA + = patients with Juvenile Spondyloarthritis; JSpA -: patients without Juvenile Spondyloarthritis; Global assessment sacroiliitis +: one or more features of sacroiliitis present on MRI; global assessment sacroiliitis -: no features of sacroiliitis seen on MRI; ASAS MRI + = sacroiliitis present on MRI as defined by the Assessment of Spondyloarthritis International Society; ASAS MRI -: no sacroiliitis on MRI according to the Assessment of Spondyloarthritis International Society definition)

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