Juvenile Arthritis - Prognosis
The prognosis for pauciarticular JA and spondyloarthropathy is quite good. It is not as good for polyarticular JA, which can sometimes lead to more serious forms of arthritis when the patient gets older, as well as to joint deformities. The prognosis for systemic onset JA depends on the organs affected. About 1 percent to 5 percent of all JA patients die of complications of the disorder, such as infection, inflammation of the heart, or kidney disease.

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