<prompt> Characteristic feature of Systemic Juvenile Idiopathic Arthritis isUveitis is a featureIt occurs after 16 years of ageNSAIDs are contraindicatedRA factor is negative  <response>: Systemic Juvenile Idiopathic ArthritisIt begins at below 16 years of ageNSAIDs are given Ra factor is negativeUveitus is seen in oligoarticular JIA 